r0 = socket$inet_tcp(0x2, 0x1, 0x0)
ioctl$sock_inet_SIOCDARP(r0, 0x8953, &(0x7f00000004c0)={{0x2, 0x0, @dev}, {0x0, @broadcast}, 0x52, {0x2, 0x0, @initdev={0xac, 0x1e, 0x0, 0x0}}, 'batadv0\x00'})