param --eventlog of vsctl event get is useless

[ifplusor]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

Execute vsctl event get command with --eventlog.

2. What did you expect to see? (Required)

Return events from specified eventlog.

3. What did you see instead (Required)

Return events from random eventlog.

4. What is your Vanus version? (Required)

v5.0.2