r0 = socket$inet_tcp(0x2, 0x1, 0x0)
setsockopt$inet_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000000)={@in6={{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x0, 0x0, 0x0, "49fd60564c2e0d21d062fff1fde121d180cdc2946f9984ca41e5a3395ed6105d7f1827c13272db770a98288cf77d58e2f7e3f67c57fe73f8aa47fcc293b08fbd1771479b1e56af15a4051081a5cca38e"}, 0xd8)