関連ワード:  named service failed with result exit code    named service failed with result exit code ubuntu 20.04    bind9 named service failed with result exit code    systemd 1 named service failed with result exit code    the unit named service has entered the failed state with result exit code    named-chroot.service failed with result 'exit-code'    bind named service failed with result exit code    service failed with result 'exit-code'  
結果 : named service failed with result exit code