1 1 15:15:01.278565 IP6 :: > ff02::1:ff76:6c14: ICMP6, neighbor solicitation, who has fe80::20c:29ff:fe76:6c14, length 24 2 2 15:15:01.279230 IP6 version error: 0 != 6 3 3 15:15:02.391170 IP6 :: > ff02::1:ff76:6c14: ICMP6, neighbor solicitation, who has 1111:2222:3333:4444:20c:29ff:fe76:6c14, length 24 4 4 15:15:02.391739 IP6 version error: 0 != 6 5