The main server ip is no longer in the network interface eno1 and can't edit

**Operating system:**Debian
**OS version:**10


Yesterday I added 4 virtual interfaces (ip failover) to the active iterface named eno1. I named them eno1: 1, eno1: 2, eno1: 3, eno1: 4 and the domains configured on the ip’s are working.
Since for eno1 I no longer have an ip address or subnet mask configured, only ipv6.
if I do an ifconfig in ssh I have this result without inet:

eno1: flags = 4163 <UP, BROADCAST, RUNNING, MULTICAST> mtu 1500
inet6 fe80 :: ae1f: 6bff: fee1: d084 prefixlen 64 scopeid 0x20
ether ac: 1f: 6b: e1: d0: 84 txqueuelen 1000 (Ethernet)
RX packets 89699158 bytes 68623929788 (63.9 GiB)
RX errors 0 dropped 7 overruns 0 frame 0
TX packets 80481292 bytes 85513526589 (79.6 GiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

I cannot edit the interface from the online webmin panel.
Besides, I can no longer access it with the hostname based on the main server IP nor in ssh, I have to use one of the 4 failover IPs.

How to restore the main server ip for inet and the subnet mask to eno1 from the command line?


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