Properly handle this rename, and squelch errors if it fails.
Delete all ip aliases when interface is disabled, it should fix #3650
Correct variable test here, too. Ticket #3662
Restore 989d361e88d08bd9e71bf7daafcb3b39af65bd3d to preserve a scenario that seems useful as suggested from @fitchner.
Remove commented out code since long time
Remove a line spotted by @fitchner which is not needed at all
Put a line on logs when this situation happens!
Fix test (variable is a checkbox, not an array/string). Fixes #3662
Use correct variable name here.
Make some fixes related to Ticket #3662. Its mostly cleanup.
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