r0 = socket$inet(0x2, 0x1, 0x0)
sendto$inet(r0, 0x0, 0x0, 0x200400d4, &(0x7f0000000380)={0x2, 0x0, @loopback}, 0x10)
bind$inet(r0, &(0x7f0000000140)={0x2, 0x0, @multicast1}, 0x10)