test@test:~$ ping6 -I enp1s0 fe80::3c9b:b1a4:10c0:8783
PING fe80::3c9b:b1a4:10c0:8783(fe80::3c9b:b1a4:10c0:8783) from fe80::1e1b:dff:fecc:cff6 enp1s0: 56 data bytes
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=1 ttl=128 time=0.337 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=2 ttl=128 time=2.46 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=3 ttl=128 time=0.480 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=4 ttl=128 time=0.529 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=5 ttl=128 time=0.621 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=6 ttl=128 time=0.594 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=7 ttl=128 time=0.564 ms
64 bytes from fe80::3c9b:b1a4:10c0:8783: icmp_seq=8 ttl=128 time=0.699 ms
总结 ：ping6命令要用对
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