r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000300)={@in6={{0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}}}, 0x0, 0x0, 0x35, 0x0, "e2c50825b85312221fef7b392f1270d927dc9440000000dec0254ba841d4e791b81cf39efac168c0604a71fc056aeca95014572d7c65c7004c02fea953fa60a8c92ca79a7317fc89ea2af12e8161ff2c"}, 0xd8)
setsockopt$sock_timeval(r0, 0x1, 0x43, &(0x7f0000000040)={0x0, 0xea60}, 0x10)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x31, &(0x7f0000000540)=[{&(0x7f0000000100)=':\x00', 0xfffffdef}], 0x1}, 0x10044001)