Oracle KVM adding host ‘Command returned failure code 1 during SSH session’

When you get ‘Command returned failure code 1 during SSH session’ during adding a KVM host with the Oracle Linux Virtualization Manager, there might be something wrong with the libvertd deamon on the host you want to add.

I had this issue with adding a Oracle Linux 7.7 host.

Please check on the KVM host the following:

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