The concerned VM is a restore from a backup (on pve1) which was on another node (pve2) of the cluster.
It seems to be a problem on the destination node, as if I try a migration of the initial VM from pve2 to pve1, it also fails to start in the end:
Migration of the initial VM from pve2 fails, after transfering the disk, with a similar message
2021-09-06 11:05:11 starting VM 104 on remote node 'pve'
2021-09-06 11:05:16 [pve] kvm: -vnc 0.0.0.0:1: Failed to find an available port: Address...
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It seems to be a problem on the destination node, as if I try a migration of the initial VM from pve2 to pve1, it also fails to start in the end:
Migration of the initial VM from pve2 fails, after transfering the disk, with a similar message
2021-09-06 11:05:11 starting VM 104 on remote node 'pve'
2021-09-06 11:05:16 [pve] kvm: -vnc 0.0.0.0:1: Failed to find an available port: Address...
Read more