Command: ping6 -c 4 -I br_fftr fe80:0000:0000:0000:62e3:27ff:fe76:6cee

Result:
Array
(
    [0] => PING fe80:0000:0000:0000:62e3:27ff:fe76:6cee(fe80::62e3:27ff:fe76:6cee) from fe80::c0cd:81ff:fe1b:59df br_fftr: 56 data bytes
    [1] => From fe80::c0cd:81ff:fe1b:59df icmp_seq=1 Destination unreachable: Address unreachable
    [2] => From fe80::c0cd:81ff:fe1b:59df icmp_seq=2 Destination unreachable: Address unreachable
    [3] => From fe80::c0cd:81ff:fe1b:59df icmp_seq=3 Destination unreachable: Address unreachable
    [4] => From fe80::c0cd:81ff:fe1b:59df icmp_seq=4 Destination unreachable: Address unreachable
    [5] => 
    [6] => --- fe80:0000:0000:0000:62e3:27ff:fe76:6cee ping statistics ---
    [7] => 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 3038ms
    [8] => 
)