Zombie process generated by elastic-agent

Elastic Security Endpoint Security
1

after the host installed elastic-agent,we can found 2 zombie process,
it can be solved after kill 9,
but the host is offine,system restart dosen't work.

command: ps aux | grep Z
elastic-agent version:8.0.0---8.2.1
elastic-agent beat version also have

2

Can you provide the output of ps aux | grep elastic-agent?
What operations did you run recently? an upgrade?