Problem: After data-center relocation Nextcloud won't start and shows network error

Problem

After changing my nextcloud into a new Datacenter as VMWare-Guest. My whole enviroment start but not Nextlcoud. I can find informations like:

nextcloud systemd-udevd[9034]: Could not generate persistent MAC address for veth4c59f06: No such file or directory.  

Environment (optional)

UCS: 4.4-8 errata1166
Installed: nextcloud=21.0.7-0
Other Versions might be affected.

Solution

Please compare the Linux Kernel Version of the previous host system and adjust it accordingly if necessary, before you proceed with any further investigation.

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