r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
ioctl$sock_SIOCADDRT(r0, 0x890b, &(0x7f0000000140)={0x0, @l2tp={0x2, 0x0, @dev}, @in={0x2, 0x0, @loopback}, @xdp={0x2c, 0x0, 0x0, 0x39}, 0x1})