unnecessary syslog when VLANs configured, caused by PPSi
./userspace/ppsi/time-wrs/wrs-socket.c: printf("aux: %x proto %x\n", aux->tp_vlan_tci,
Jan 5 00:18:59 (none) wr-switch: aux: 0 proto 8100
./userspace/ppsi/time-wrs/wrs-socket.c: printf("aux: %x proto %x\n", aux->tp_vlan_tci,
Jan 5 00:18:59 (none) wr-switch: aux: 0 proto 8100