Command: ping6 -c 4 -I br_fftr fe80:0000:0000:0000:1849:b6ff:fe9d:c810

Result:
Array
(
    [0] => PING fe80:0000:0000:0000:1849:b6ff:fe9d:c810(fe80::1849:b6ff:fe9d:c810) from fe80::f0b0:20ff:fe28:2623 br_fftr: 56 data bytes
    [1] => From fe80::f0b0:20ff:fe28:2623 icmp_seq=1 Destination unreachable: Address unreachable
    [2] => From fe80::f0b0:20ff:fe28:2623 icmp_seq=2 Destination unreachable: Address unreachable
    [3] => From fe80::f0b0:20ff:fe28:2623 icmp_seq=3 Destination unreachable: Address unreachable
    [4] => From fe80::f0b0:20ff:fe28:2623 icmp_seq=4 Destination unreachable: Address unreachable
    [5] => 
    [6] => --- fe80:0000:0000:0000:1849:b6ff:fe9d:c810 ping statistics ---
    [7] => 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3032ms
    [8] => 
)