Command: ping6 -c 4 -I br_fftr fe80:0000:0000:0000:62e3:27ff:feee:25ce

Result:
Array
(
    [0] => PING fe80:0000:0000:0000:62e3:27ff:feee:25ce(fe80::62e3:27ff:feee:25ce) from fe80::f0b0:20ff:fe28:2623 br_fftr: 56 data bytes
    [1] => 64 bytes from fe80::62e3:27ff:feee:25ce: icmp_seq=1 ttl=64 time=53.8 ms
    [2] => 64 bytes from fe80::62e3:27ff:feee:25ce: icmp_seq=2 ttl=64 time=56.0 ms
    [3] => 64 bytes from fe80::62e3:27ff:feee:25ce: icmp_seq=3 ttl=64 time=54.2 ms
    [4] => 64 bytes from fe80::62e3:27ff:feee:25ce: icmp_seq=4 ttl=64 time=55.2 ms
    [5] => 
    [6] => --- fe80:0000:0000:0000:62e3:27ff:feee:25ce ping statistics ---
    [7] => 4 packets transmitted, 4 received, 0% packet loss, time 3003ms
    [8] => rtt min/avg/max/mdev = 53.841/54.849/56.056/0.873 ms
)