r0 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_inet6_SIOCADDRT(r0, 0x890c, &(0x7f0000000180)={@private0, @private2, @ipv4, 0x0, 0xfffd, 0x0, 0x0, 0x0, 0x1000000})