r0 = socket$inet(0x2, 0xa, 0x0)
ioctl$sock_inet_SIOCDARP(r0, 0x8955, &(0x7f0000000000)={{0x2, 0x0, @multicast1}, {}, 0x2b713bea2488115e, {0x2, 0x0, @empty}})