r0 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000000)={@dev, @private1, @private1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x4})