openat$vcsa(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c) connect$inet6(0xffffffffffffffff, 0x0, 0x0) setsockopt$inet6_tcp_int(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) getsockname(r0, 0x0, &(0x7f0000000700))