r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000100)={@in={{0x2, 0x0, @loopback}}, 0x0, 0x0, 0x0, 0x0, "56f2765fee5321dec6cd2ea75246b253dfb4397307d6078d39b995db80d1f7d1b818ed49ca4e380238a07cc174a6759470e9a4a2487f0c3e971a044ba4b5cf1f029e39cabf96f31e4ee6e7f93a7a6bd0"}, 0xd8)