Comment # 5 on bug 1065388 from Dr. Werner Fink

type=AVC msg=audit(1509089056.461:3242): apparmor="DENIED" operation="sendmsg"
profile="/usr/bin/lessopen.sh" pid=11880 comm="file" lport=911 family="inet"
sock_type="dgram" protocol=17
type=AVC msg=audit(1509104771.741:3298): apparmor="ALLOWED" operation="sendmsg"
profile="/usr/bin/lessopen.sh" pid=24929 comm="file" lport=911 family="inet"
sock_type="dgram" protocol=17

... Hmmm ... what does this mean?