default Priority1
the value of Priority1 is 64 in WR Specification and 128 in WR switches (tests: WCG_001).
If this does not break backward compatibility, we will change it to 64, to be tested
the value of Priority1 is 64 in WR Specification and 128 in WR switches (tests: WCG_001).
If this does not break backward compatibility, we will change it to 64, to be tested