r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e21, @multicast1}, 0x10) connect$inet(r0, &(0x7f0000000140)={0x2, 0x4e21, @local}, 0x10) shutdown(r0, 0x1) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(r0, 0x6, 0x23, &(0x7f0000001180)={&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f00000011c0)=0x40)