r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000180)={@in6={{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x0, 0x4d, 0x0, "b11fba1246c3e7bfc310007f9b3166764a0c6d4cadc5e8dc3debe67290e7fb625e843497c88130840fcd4e9d63cad93aa146a837e39e5685a757e0f570f79b008f71891cff50b1606b98e12d3997482b"}, 0xd8)
sendmsg$inet6(r0, &(0x7f00000006c0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000100)}], 0x1}, 0x10044008)