14:22:16.838737 IP 137.205.34.2 > 224.0.0.18: VRRPv2, Advertisement, vrid 21, prio 254, authtype simple, intvl 1s, length 20
14:22:17.739564 IP 137.205.34.155.1068 > 224.0.0.103.3235: UDP, length 23