LU-10973 lnet: Various test cleanups

LU-10973 lnet: Various test cleanups

Cleaning up some of the LUTF test failures

Test-Parameters: @lnet
Signed-off-by: Amir Shehata <ashehata@whamcloud.com>
Change-Id: I529d3f171357255d04991293a5df4c7b41622d07
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/45915
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Serguei Smirnov <ssmirnov@whamcloud.com>
Reviewed-by: Frank Sehr <fsehr@whamcloud.com>
Reviewed-by: jsimmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>