How this can be possible?

[Uraniumhazee]

I have a Zyxel cap file!
This file have two PMKIDS

Code:

21c6a979c865366c34101c99a5e9758f*bc99110f10d7*f099bf34a8b8*5a7958454c5f4847575f4639414141

5d61f6269e0aea5886c0f1a0ccf7a2b5*bc99110f10d7*b8b7f14164f4*5a7958454c5f4847575f4639414141

same router mac same client mac same router name but different pass hashes?

What does it mean?

Thanks