r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000080)={@in6={{0xa, 0x0, 0x0, @mcast2}}, 0x0, 0x0, 0x0, 0x0, "1f40fa710f0862daf9d1977a0993c0447277db31ef6cf7a452b94e9ea44c788e81a9b40a9ae2267bd13f170d4674de9b2ffe32c74bfec934bcd6266b6f6edf7c20f4dcd6aa4ab8668ba52f60fd1b94f7"}, 0xd8)