Proxmox 4.0 lxc container's network unstable

okay, but your ps output shows all processes in the container as sleeping - could you get the /proc/PID/stack for all of them?
 
Sure, next time this occurs. By the way, thanks for all the support without me being marked as subscriber (i do take care of some companies which i bought subscriptions for, but this account is my private one ;) )
 
Nargh, already here ;)

Code:
# ps aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
root         1  0.0  0.1  15492  1316 ?        Ss   Aug20   0:02 init [2]  
root       809  0.0  0.1   8440  1840 ?        S    Aug20   0:00 /usr/sbin/syslogd --no-forward
root       889  0.0  0.1  27476  2096 ?        Ss   Aug20   0:00 /usr/sbin/cron
daemon     890  0.0  0.0  19024   176 ?        Ss   Aug20   0:00 /usr/sbin/atd
haproxy    931  0.1  0.8  36876  9184 ?        Ss   Aug20  10:13 /usr/sbin/haproxy -f /etc/haproxy/haproxy.cfg -D -p /var/run/haproxy.pid
root       949  0.0  0.1  31164  1816 ?        Ss   Aug20   0:00 nginx: master process /usr/sbin/nginx
www-data   950  0.0  0.2  31524  2516 ?        S    Aug20   0:11 nginx: worker process
www-data   951  0.0  0.2  31524  2512 ?        S    Aug20   0:13 nginx: worker process
www-data   952  0.0  0.2  31524  2516 ?        S    Aug20   0:02 nginx: worker process
www-data   953  0.0  0.2  31524  2520 ?        S    Aug20   0:13 nginx: worker process
message+   960  0.0  0.1  42120  1908 ?        Ss   Aug20   0:00 /usr/bin/dbus-daemon --system
root       978  0.0  0.2  55184  2544 ?        Ss   Aug20   0:00 /usr/sbin/sshd
root      1002  0.0  0.1  12664  1840 tty1     Ss+  Aug20   0:00 /sbin/getty --noclear 38400 tty1
root      1003  0.0  0.1  12664  1844 tty2     Ss+  Aug20   0:00 /sbin/getty --noclear 38400 tty2
root      1501  0.0  0.2  42364  2432 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1502  0.0  0.0  42364   352 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1503  0.0  0.2  42336  2424 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1504  0.0  0.2  42336  2424 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1505  0.0  0.2  42336  2424 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1506  0.0  0.2  42336  2424 ?        S    Aug22   0:00 /usr/sbin/CRON
root      1507  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1508  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1509  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1510  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1511  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1512  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1513  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1514  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1515  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1516  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1517  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1518  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1519  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1520  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1521  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1522  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1523  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1524  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1525  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1526  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1527  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1528  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1529  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1530  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1531  0.0  0.2  42336  2424 ?        S    Aug23   0:00 /usr/sbin/CRON
root      1532  0.0  0.2  42336  2424 ?        S    00:42   0:00 /usr/sbin/CRON
root      1533  0.0  0.2  42336  2424 ?        S    01:42   0:00 /usr/sbin/CRON
root      1534  0.0  0.2  42336  2424 ?        S    02:42   0:00 /usr/sbin/CRON
root      1535  0.0  0.2  42336  2424 ?        S    03:42   0:00 /usr/sbin/CRON
root      1536  0.0  0.2  42336  2424 ?        S    04:42   0:00 /usr/sbin/CRON
root      1537  0.0  0.2  42336  2424 ?        S    05:42   0:00 /usr/sbin/CRON
root      1538  0.0  0.2  42336  2424 ?        S    06:18   0:00 /usr/sbin/CRON
root      1539  0.0  0.2  42336  2424 ?        S    06:42   0:00 /usr/sbin/CRON
root      1540  0.0  0.2  42336  2424 ?        S    07:42   0:00 /usr/sbin/CRON
root      1541  0.0  0.2  42336  2424 ?        S    08:42   0:00 /usr/sbin/CRON
root      1542  0.0  0.2  42336  2424 ?        S    09:42   0:00 /usr/sbin/CRON
root      1543  0.0  0.2  42336  2424 ?        S    10:42   0:00 /usr/sbin/CRON
root      1545  0.0  0.4  23132  4468 ?        Ss   11:14   0:00 /bin/bash
root      1553  0.0  0.2  19100  2132 ?        R+   11:15   0:00 ps aux
# for PID in $(ps aux | grep -v PID | awk '{print $2}'); do cat /proc/$PID/stack; done
[<ffffffff8da5acd5>] poll_schedule_timeout+0x45/0x70
[<ffffffff8da5b7cc>] do_select+0x70c/0x7e0
[<ffffffff8da5baa8>] core_sys_select+0x208/0x310
[<ffffffff8da5bc6a>] SyS_select+0xba/0x110
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[53]+  Exit 1                  cat /proc/
[<ffffffff8d8e4dd6>] do_syslog+0x466/0x4e0
[<ffffffff8dacaed4>] kmsg_read+0x44/0x60
[<ffffffff8dabc112>] proc_reg_read+0x42/0x70
[<ffffffff8da44178>] __vfs_read+0x18/0x40
[<ffffffff8da44ae6>] vfs_read+0x96/0x130
[<ffffffff8da45ff5>] SyS_read+0x55/0xc0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d8fdae8>] hrtimer_nanosleep+0xe8/0x220
[<ffffffff8d8fdc9a>] SyS_nanosleep+0x7a/0x90
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d8fdae8>] hrtimer_nanosleep+0xe8/0x220
[<ffffffff8d8fdc9a>] SyS_nanosleep+0x7a/0x90
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d898a31>] sigsuspend+0x41/0x80
[<ffffffff8d89a23f>] SyS_rt_sigsuspend+0x4f/0x70
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da90a4a>] ep_poll+0x28a/0x350
[<ffffffff8da9232e>] SyS_epoll_wait+0xce/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8da5acd5>] poll_schedule_timeout+0x45/0x70
[<ffffffff8da5b7cc>] do_select+0x70c/0x7e0
[<ffffffff8da5baa8>] core_sys_select+0x208/0x310
[<ffffffff8da5bc6a>] SyS_select+0xba/0x110
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d8ccdf3>] wait_woken+0x43/0x80
[<ffffffff8dd67f55>] n_tty_read+0x605/0x8f0
[<ffffffff8dd61cd2>] tty_read+0x92/0xf0
[<ffffffff8da44178>] __vfs_read+0x18/0x40
[<ffffffff8da44ae6>] vfs_read+0x96/0x130
[<ffffffff8da45ff5>] SyS_read+0x55/0xc0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d8ccdf3>] wait_woken+0x43/0x80
[<ffffffff8dd67f55>] n_tty_read+0x605/0x8f0
[<ffffffff8dd61cd2>] tty_read+0x92/0xf0
[<ffffffff8da44178>] __vfs_read+0x18/0x40
[<ffffffff8da44ae6>] vfs_read+0x96/0x130
[<ffffffff8da45ff5>] SyS_read+0x55/0xc0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d88b436>] do_wait+0x1c6/0x240
[<ffffffff8d88c5fb>] SyS_wait4+0x7b/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8e06c879>] unix_wait_for_peer+0x99/0xe0
[<ffffffff8e070af9>] unix_dgram_sendmsg+0x6a9/0x700
[<ffffffff8dfa0b28>] sock_sendmsg+0x38/0x50
[<ffffffff8dfa1131>] SYSC_sendto+0x101/0x190
[<ffffffff8dfa1c8e>] SyS_sendto+0xe/0x10
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
[<ffffffff8d88b436>] do_wait+0x1c6/0x240
[<ffffffff8d88c5fb>] SyS_wait4+0x7b/0xf0
[<ffffffff8d803b6b>] do_syscall_64+0x5b/0xc0
[<ffffffff8e0fb66f>] entry_SYSCALL64_slow_path+0x25/0x25
[<ffffffffffffffff>] 0xffffffffffffffff
 
could you post the container config as well?
 
Here's another container:

Code:
arch: amd64
cpulimit: 4
cpuunits: 1024
hostname: fileserver
memory: 1024
net0: bridge=vmbr0,gw=XXX,hwaddr=XXX,ip=XXX,name=eth0,type=veth
onboot: 1
ostype: debian
rootfs: rpool-vm:subvol-132-disk-1,size=8G
searchdomain: XXX
swap: 512
lxc.mount.entry: /data/files/1 srv/samba/1 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/2 srv/samba/2 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/3 srv/samba/3 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/4 srv/samba/4 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/5 srv/samba/5 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/6 srv/samba/6 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/7 srv/samba/7 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/8 srv/samba/8 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/9 srv/samba/9 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/10 srv/samba/10 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/11 srv/samba/11 none bind,create=dir,optional 0 0
lxc.mount.entry: /data/files/12 srv/samba/12 none bind,create=dir,optional 0 0

The many lxc.mount.entry are there to overcome the limit of 10 mp's. Might be a point for this problem, but other containers failing like this do not have a single mountpoint.
 

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