/etc/init.d/sysfs for lxd to be able to mount cgroups on container startup

sysfs

--- sysfs       2017-11-25 00:02:31.150396179 +0100
+++ sysfs.palica        2017-11-26 11:22:54.041218857 +0100
@@ -15,7 +15,8 @@
 
 depend()
 {
-       keyword -docker -lxc -prefix -systemd-nspawn -vserver
+# Removing -lxc keyword as we need to run cgroup mount inside container
+  keyword -docker -prefix -systemd-nspawn -vserver
 }
 
 mount_sys()
@@ -229,9 +230,13 @@
 
 start()
 {
-       mount_sys
-       mount_misc
+# Commenting out sys as it gets mounted from LXD
+# Commenting out misc as I don't need it in LXD - please comment if it is not true
+# Commenting out restorecon as I don't use SELinux
+       #mount_sys
+       #mount_misc
        mount_cgroups
-       restorecon_sys
+       #restorecon_sys
        return 0
 }

openRC should be smart enough to not try to mount sysfs again if it detects that it is already mounted. If that's not the case then openRC should be made to respect existing sysfs mounts.