VLAN tagging on ipq40xx (GL-B1300) no longer works

[eginnc]

Another report this is not yet fixed is here:
https://forum.openwrt.org/t/are-there-actually-many-truly-stable-socs-left/78416/23?u=eginnc

@PolynomialDivision

I still have the same issues. If I use master, port isolation does not work. If I directly define interfaces with e.g. eth0.10, it works but then I test iperf, the direction from router to my client pc is max 10MBit/s. So everything is still the same. You have to revert the ip40xx edma changes.

@fantom-x can "Solved" be unchecked to keep this thread open?