r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f00000051c0)={@in, 0x0, 0x0, 0xfffe, 0x0, "0251f7c0b5745a843e33f9671616246b571db84658220dde12dca995eae804e6d173c1236d6dc27245d6cd4e7055478a9a772b501e4c1d116a5743271835608e12391c2bad9669a57267068800c5d50b"}, 0xd8)