Proxmox 5.0-23 Unable to start container after update

[Thaillie]

One of my samba containers is refusing to start after the latest update from BETA to release and I have no idea what is causing it. I have 2 disks mounted from ceph on the container.

Config file

lxc.arch = amd64
lxc.include = /usr/share/lxc/config/ubuntu.common.conf
lxc.monitor.unshare = 1
lxc.tty = 2
lxc.environment = TERM=linux
lxc.utsname = *****{ private ;) }*****
lxc.cgroup.memory.limit_in_bytes = 268435456
lxc.cgroup.memory.memsw.limit_in_bytes = 536870912
lxc.cgroup.cpu.shares = 1024
lxc.rootfs = /var/lib/lxc/100/rootfs
lxc.network.type = veth
lxc.network.veth.pair = veth100i0
lxc.network.hwaddr = 86:28:67:63:A7:DE
lxc.network.name = eth0
lxc.cgroup.cpuset.cpus = 2

Log file

      lxc-start 20170720235402.641 INFO     lxc_start_ui - tools/lxc_start.c:main:275 - using rcfile /var/lib/lxc/100/config
      lxc-start 20170720235402.641 WARN     lxc_confile - confile.c:config_pivotdir:2022 - lxc.pivotdir is ignored.  It will soon become an error.
      lxc-start 20170720235402.641 INFO     lxc_lsm - lsm/lsm.c:lsm_init:48 - LSM security driver AppArmor
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .reject_force_umount  # comment this to allow umount -f;  not recommended.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for reject_force_umount action 0.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:do_resolve_add_rule:259 - Setting Seccomp rule to reject force umounts.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for reject_force_umount action 0.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:do_resolve_add_rule:259 - Setting Seccomp rule to reject force umounts.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:do_resolve_add_rule:259 - Setting Seccomp rule to reject force umounts.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .[all].
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .kexec_load errno 1.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for kexec_load action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for kexec_load action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .open_by_handle_at errno 1.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for open_by_handle_at action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for open_by_handle_at action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .init_module errno 1.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for init_module action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for init_module action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .finit_module errno 1.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for finit_module action 327681.
      lxc-start 20170720235402.641 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for finit_module action 327681.
      lxc-start 20170720235402.642 INFO     lxc_seccomp - seccomp.c:parse_config_v2:418 - processing: .delete_module errno 1.
      lxc-start 20170720235402.642 INFO     lxc_seccomp - seccomp.c:parse_config_v2:590 - Adding native rule for delete_module action 327681.
      lxc-start 20170720235402.642 INFO     lxc_seccomp - seccomp.c:parse_config_v2:593 - Adding compat rule for delete_module action 327681.
      lxc-start 20170720235402.642 INFO     lxc_seccomp - seccomp.c:parse_config_v2:603 - Merging in the compat Seccomp ctx into the main one.
      lxc-start 20170720235402.642 INFO     lxc_conf - conf.c:run_script_argv:483 - Executing script "/usr/share/lxc/hooks/lxc-pve-prestart-hook" for container "100", config section "lxc".
      lxc-start 20170720235403.679 DEBUG    lxc_conf - conf.c:run_buffer:455 - Script /usr/share/lxc/hooks/lxc-pve-prestart-hook 100 lxc pre-start with output: In some cases useful info is found in syslog - try "dmesg | tail".
.
      lxc-start 20170720235403.130 ERROR    lxc_conf - conf.c:run_buffer:464 - Script exited with status 2.
      lxc-start 20170720235403.131 ERROR    lxc_start - start.c:lxc_init:450 - Failed to run lxc.hook.pre-start for container "100".
      lxc-start 20170720235403.131 ERROR    lxc_start - start.c:__lxc_start:1337 - Failed to initialize container "100".
      lxc-start 20170720235403.131 ERROR    lxc_start_ui - tools/lxc_start.c:main:366 - The container failed to start.
      lxc-start 20170720235403.131 ERROR    lxc_start_ui - tools/lxc_start.c:main:370 - Additional information can be obtained by setting the --logfile and --logpriority options.