r0 = socket$inet(0x2, 0x1, 0x0)
bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @multicast1}, 0x10)
connect$inet(r0, &(0x7f0000000140)={0x2, 0x4e21, @local}, 0x10)
setsockopt$inet_mtu(r0, 0x0, 0xa, &(0x7f00000000c0)=0x2, 0x4)
shutdown(r0, 0x1)