Deleting it will cause your interface names to change on the next reboot; thus any manual configuration for your network will be lost or (worse) confused between the different cards.
On a desktop machine with Network Manager, this tends not to matter, but on servers it can be very bad.
If you deleted it, there's no way to get it back.
Deleting it will cause your interface names to change on the next reboot; thus any manual configuration for your network will be lost or (worse) confused between the different cards.
On a desktop machine with Network Manager, this tends not to matter, but on servers it can be very bad.