I see very similar errors with strongSwan when the daemon charon is run as non-root:
[119648.278942] audit: type=1107 audit(1540071113.311:674): pid=806 uid=105 auid=4294967295 ses=4294967295 subj==unconfined msg='apparmor="DENIED" operation="dbus_method_call" bus="system" path="/org/freedesktop/systemd1" interface="org.freedesktop.systemd1.Manager" member="GetDynamicUsers" mask="send" name="org.freedesktop.systemd1" pid=26066 label="/usr/lib/ipsec/charon" peer_pid=1 peer_label="unconfined"
I see very similar errors with strongSwan when the daemon charon is run as non-root:
[119648.278942] audit: type=1107 audit(154007111 3.311:674) : pid=806 uid=105 auid=4294967295 ses=4294967295 subj==unconfined msg='apparmor= "DENIED" operation= "dbus_method_ call" bus="system" path="/ org/freedesktop /systemd1" interface= "org.freedeskto p.systemd1. Manager" member= "GetDynamicUser s" mask="send" name="org. freedesktop. systemd1" pid=26066 label=" /usr/lib/ ipsec/charon" peer_pid=1 peer_label= "unconfined"