r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c)
pipe(0x0)
setsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0)
connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
connect$inet6(0xffffffffffffffff, 0x0, 0x0)