Thank you for a very quick reply
Container restart or even a full machine reboot make no difference.
Found the following warning in /var/log/lxd/lxd.log but it seems to refer to swap
I can get rid of it by passing “swapaccount=1” to the kernel command line, but even with this line I cannot get the lxc container to report correct RAM limit.
lvl=warn msg="CGroup memory swap accounting is disabled, swap limits will be ignored." t=2018-02-19T15:03:18+0000
/var/log/lxd/lxd.log from inside the container
# lxc exec test-ubuntu-16-04 cat /proc/mounts
lxd/containers/test-ubuntu-16-04 / zfs rw,relatime,xattr,noacl 0 0
none /dev tmpfs rw,nodev,relatime,size=492k,mode=755,uid=100000,gid=100000 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
sysfs /sys sysfs rw,nodev,relatime 0 0
udev /dev/fuse devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/net/tun devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
mqueue /dev/mqueue mqueue rw,relatime 0 0
tmpfs /dev/lxd tmpfs rw,relatime,size=100k,mode=755 0 0
tmpfs /dev/.lxd-mounts tmpfs rw,relatime,size=100k,mode=711 0 0
lxcfs /proc/cpuinfo fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /proc/diskstats fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /proc/meminfo fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /proc/stat fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /proc/swaps fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /proc/uptime fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
lxcfs /var/lib/lxcfs fuse.lxcfs rw,nosuid,nodev,relatime,user_id=0,group_id=0,allow_other 0 0
udev /dev/null devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/zero devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/full devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/urandom devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/random devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
udev /dev/tty devtmpfs rw,nosuid,relatime,size=1953732k,nr_inodes=488433,mode=755 0 0
devpts /dev/console devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
devpts /dev/pts devpts rw,relatime,gid=100005,mode=620,ptmxmode=666 0 0
devpts /dev/ptmx devpts rw,relatime,gid=100005,mode=620,ptmxmode=666 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev,uid=100000,gid=100000 0 0
tmpfs /run tmpfs rw,nosuid,nodev,mode=755,uid=100000,gid=100000 0 0
tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k,uid=100000,gid=100000 0 0
tmpfs /sys/fs/cgroup tmpfs ro,nosuid,nodev,noexec,mode=755,uid=100000,gid=100000 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/pids cgroup rw,nosuid,nodev,noexec,relatime,pids,release_agent=/run/cgmanager/agents/cgm-release-agent.pids 0 0
cgroup /sys/fs/cgroup/hugetlb cgroup rw,nosuid,nodev,noexec,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset,clone_children 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/memory cgroup rw,nosuid,nodev,noexec,relatime,memory 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0