lxc 1443710752.243 DEBUG    lxc_conf - conf.c:mount_entry:1727 - remounting /proc/sys/fs/binfmt_misc on /usr/lib/x86_64-linux-gnu/lxc/proc/sys/fs/binfmt_misc to respect bind or remount options
            lxc 1443710752.243 DEBUG    lxc_conf - conf.c:mount_entry:1742 - (at remount) flags for /proc/sys/fs/binfmt_misc was 4096, required extra flags are 0
            lxc 1443710752.243 DEBUG    lxc_conf - conf.c:mount_entry:1751 - mountflags already was 4096, skipping remount
            lxc 1443710752.243 DEBUG    lxc_conf - conf.c:mount_entry:1777 - mounted '/proc/sys/fs/binfmt_misc' on '/usr/lib/x86_64-linux-gnu/lxc/proc/sys/fs/binfmt_misc', type 'none'
            lxc 1443710752.243 ERROR    lxc_conf - conf.c:mount_entry:1720 - No such file or directory - failed to mount '/var/lib/lxd/containers/instance-0000000b-backup/rootfs' on '/usr/lib/x86_64-linux-gnu/lxc/mnt'