[action] [PR:19537] [DHCP] Add try/exception when using psutil.process_iter (#19537) #19622
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Why I did it
After got running process list by psutil, if some of the processes exited, but invoke name() / cmdline() function of them, it will raise NoSuchProcess exception
Fix issue #19507
How I did it
Add try/exception in process execution
Change func get_target_process_cmds to get_target_process for reuse
How to verify it
UT passed