почему при использовании l2ping’а такое происходит Connection reset by peer ?

nuclear@linux-rcdv:~> l2ping 00:12:d2:42:c4:14
Ping: 00:12:d2:42:c4:14 from 00:1D:D9:E6:7E:11 (data size 44) …
0 bytes from 00:12:d2:42:c4:14 id 0 time 159.85ms
0 bytes from 00:12:d2:42:c4:14 id 1 time 52.99ms
0 bytes from 00:12:d2:42:c4:14 id 2 time 65.93ms
0 bytes from 00:12:d2:42:c4:14 id 3 time 47.52ms
0 bytes from 00:12:d2:42:c4:14 id 4 time 50.90ms
Send failed: Connection reset by peer