r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r0, &(0x7f00000002c0)={0xa, 0x0, 0x0, @remote, 0x2}, 0x1c)
bind$inet6(r0, &(0x7f0000000140)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}}, 0x1c)
sendmsg$inet6(r0, &(0x7f0000004080)={&(0x7f0000000040)={0xa, 0x0, 0x0, @empty}, 0x1c, 0x0}, 0x20000001)