I used some other names such as all-letter or all-number,same error as the log I posted above.
2019-06-24T17:20:05 [I|app|4b683aca] Parameters: {“utf8”=>“✓”, “authenticity_token”=>“2oc5dQkHTyrk4ErPaGRO4NejgMY/lxP4Gan7recooCBo/FRqZ1L2wwfJcLAOmRc7tWkzsetexecH8WFomlevNg==”, “host”=>{“name”=>“adaba
ssali”, “organization_id”=>“3”, “location_id”=>“2”, “hostgroup_id”=>"", “compute_resource_id”=>"", “environment_id”=>"", “managed”=>“true”, “progress_report_id”=>"[FILTERED]", “type”=>“Host::Managed”, "
interfaces_attributes"=>{“0”=>{“type”=>“Nic::BMC”, “mac”=>“00:15:5d:38:01:02”, “identifier”=>“eth0”, “name”=>“adabassali”, “domain_id”=>“3”, “ip”=>“192.168.107.247”, “ip6”=>"", “managed”=>“0”, “primary”
=>“1”, “provision”=>“1”, “username”=>“root”, “password”=>"[FILTERED]", “provider”=>“SSH”}}, “architecture_id”=>“1”, “operatingsystem_id”=>“2”, “provision_method”=>“build”, “build”=>“0”, “medium_id”=>"",
“ptable_id”=>"", “pxe_loader”=>"", “disk”=>"", “root_pass”=>"[FILTERED]", “is_owned_by”=>“5-Users”, “enabled”=>“1”, “model_id”=>"", “comment”=>"", “overwrite”=>“false”}, “fakepassword”=>"[FILTERED]"}
2019-06-24T17:20:05 [I|app|4b683aca] Current user set to jfliu (regular)
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Nic::BMC: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Nic::BMC: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Nic::BMC: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Host::Managed: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”, “Name hostname can
contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Host::Managed: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”, “Name hostname can
contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [W|app|4b683aca] Not queueing Host::Managed: [“Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”, “Name hostname can
contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123”]
2019-06-24T17:20:06 [E|app|4b683aca] Failed to save: Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123, Name hostname can contain only lo
wercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123