r0 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_inet_SIOCSARP(r0, 0x8955, &(0x7f0000001780)={{0x2, 0x0, @local}, {0x304, @dev}, 0x0, {0x2, 0x0, @multicast1}, 'sit0\x00'})