Red Hat Satellite 6 upgrade failed due to rubygem-smart_proxy_remote_execution_ssh package installation failed.

Issue

• rubygem-smart_proxy_remote_execution_ssh Package installation failed during satellite upgrade.

  Failed:
  rubygem-smart_proxy_remote_execution_ssh-0.10.1-1.el8sat.noarch               
  rubygem-smart_proxy_remote_execution_ssh-0.10.2-2.el8sat.noarch               Error: Transaction failed
  
  Scenario [Migration scripts to Satellite 6.14] failed.
  
  The following steps ended up in failing state:
  
  [packages-update]
  

• Manual installation of rubygem-smart_proxy_remote_execution_ssh package command fails with the following error.

  # yum install rubygem-smart_proxy_remote_execution_ssh --disableplugin=foreman-protector
  
  Running scriptlet: rubygem-smart_proxy_remote_execution_ssh-0.7.3-1.el8sat.noarch                                                     1/2
  mv: inter-device move failed: '/usr/share/foreman-proxy/.ssh' to '/var/lib/foreman-proxy/ssh/.ssh'; unable to remove target: Directory not empty
  error: %prein(rubygem-smart_proxy_remote_execution_ssh-0.7.3-1.el8sat.noarch) scriptlet failed, exit status 1