pr-11522-2b789f vs. 5.0-18467 / mtl-osx-m1 / mii-channel

pr-11522-2b789f (2b789f06) Diff 5.0-18467 (2843cd10)
Failure 45fd09e56f5cca29f105c6c645ce17520f3e34bb
Failure 457637ce4f67fc32d728434d0ed23069b7a10fab
Failure 10011311a5851611f86b8503ecae7b2d9d0627e5