Apparmor: add a warning
Apparmor: check that we are running an AppArmor-enabled kernel.
AppArmor: try converting to a systemd unit
AppArmor profiles for SUID binaries. At this moment only for ping.
transmission.service: fix ignored ExecReload setting

This is what currently happens (from the journal log):

  [/nix/store/HASH-unit/transmission.service:27] Executable path is not absolute, ignoring: kill -HUP $MAINPID

Fix it by using absolute path to kill.
add openvpn plugin to networkmanager
Fix pxe network boot