r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
setsockopt$inet6_tcp_TCP_MD5SIG(r1, 0x6, 0xe, &(0x7f0000000040)={@in6={{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x0, 0x20, 0x0, "22b92640ca60f1fcb72435b2b829bb3e2eb5b61b16835d75280d18178d16d9b39afdf4eadac9f7d1d743bececd15a6059f91322c27e6be2a8e5c3f2e9a58c9e8801fe910f9a643e38c4c4c3ea5ed2121"}, 0xd8)
dup2(r0, r1)