Debian LXC container won't start after update due to fastboot.tmp
the error is
root@pve:~# lxc-start -n 113 -F --logfile /var/113.log
unable to open file '/fastboot.tmp.11018' - Read-only file system
error in setup task PVE::LXC::Setup::pre_start_hook
lxc-start: conf.c: run_buffer: 347 Script...