r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x4e20, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c) setsockopt$inet6_tcp_TCP_MD5SIG(r0, 0x6, 0xe, &(0x7f0000000900)={@in6={{0xa, 0x0, 0x0, @mcast1}}, 0x0, 0x0, 0x33, 0x0, "4fb2386f65a856b6930930052d7d4e52fc4032fe98f268baabdf34269819ec36e44c87f906b59567acb1dd5aa5ba7be8ecc7069f172fddc076e97b1bb7ad34493270d4dbba4a2ca52cc13ca18e08c805"}, 0xd8) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20, 0x0, @empty}, 0x1c) sendmmsg$inet6(r0, &(0x7f0000002c40)=[{{0x0, 0x0, &(0x7f0000000240)=[{&(0x7f00000000c0)='|', 0x1}], 0x1}}, {{0x0, 0x0, &(0x7f0000000500)=[{&(0x7f00000003c0)='o', 0x1}], 0x1}}], 0x2, 0x0)