[Satellite 6.2] Upgrade step db_seed fails with "SocketError: getaddrinfo: Name or service not known"

Issue

• While performing Red Hat Satellite 6.2 upgrade it fails with "SocketError: getaddrinfo: Name or service not known" at the db_seed step

Upgrade Step: db_seed...
[ INFO 2016-08-24 07:47:24 verbose] Upgrade Step: db_seed...
rake aborted!
SocketError: getaddrinfo: Name or service not known
/opt/theforeman/tfm/root/usr/share/gems/gems/rbovirt-0.0.37/lib/restclient_ext/request.rb:44:in `transmit'
/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:64:in `execute'
/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/request.rb:33:in `execute'
/opt/theforeman/tfm/root/usr/share/gems/gems/rest-client-1.6.7/lib/restclient/resource.rb:51:in `get'
/opt/theforeman/tfm/root/usr/share/gems/gems/runcible-1.7.0/lib/runcible/base.rb:78:in `get_response'
/opt/theforeman/tfm/root/usr/share/gems/gems/runcible-1.7.0/lib/runcible/base.rb:66:in `call'