Fix some ambiguous logs

[caizhaomin1]

Which Issue(s) This PR Fixes

I only modified the log printed, the modification isn't complicated, so I didn't submit an issue.

Brief Description

I was reading the code about namesrv and broker, and i found some ambiguous logs, this pr is to fix them.

How Did You Test This Change?

Nonthing logical is modified, i think there is no need for a test.

[RongtongJin]

@caizhaomin1 It would be better to submit a relevant issue.

[RongtongJin]

LGTM

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 42.92%. Comparing base (a32eca0) to head (4433612).

Files	Patch %	Lines
...e/rocketmq/namesrv/routeinfo/RouteInfoManager.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##             develop    #7934      +/-   ##
=============================================
- Coverage      42.94%   42.92%   -0.02%     
+ Complexity      9913     9909       -4     
=============================================
  Files           1190     1190              
  Lines          86042    86042              
  Branches       11081    11081              
=============================================
- Hits           36950    36936      -14     
- Misses         44514    44534      +20     
+ Partials        4578     4572       -6     

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