Looks like here is the bug where apparmor support was added for charon- system:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=866327 There does not seem to be any reference to ipt_CLUSTERIP there and from the source it appears the libcharon does appear to try to write to the referenced dir: ./src/libcharon/plugins/ha/ha_kernel.c:#define CLUSTERIP_DIR "/proc/net/ipt_CLUSTERIP" ** Bug watch added: Debian Bug tracker #866327 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=866327 ** Changed in: strongswan (Ubuntu) Status: New => Confirmed ** Changed in: strongswan (Ubuntu) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773956 Title: [apparmor] missing entry for CLUSTERIP (used by strongswan HA plugin) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/strongswan/+bug/1773956/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs