Coverをインストールしようとしています（https://cobbler.github.io/）Centos仮想マシンから。
Cobblerを起動しようとすると、libvirtdはメッセージの表示を開始できません。
[root@dev cobbler]# systemctl start cobblerd
Job for cobblerd.service failed because the control process exited with error code. See "systemctl status cobblerd.service" and "journalctl -xe" for details.
cobblerd.service ログ
[root@dev cobbler]# systemctl status cobblerd.service
● cobblerd.service - LSB: daemon for libvirt virtualization API
Loaded: loaded (/etc/rc.d/init.d/cobblerd; bad; vendor preset: disabled)
Active: failed (Result: exit-code) since Fri 2019-05-24 04:30:55 PDT; 7s ago
Docs: man:systemd-sysv-generator(8)
Process: 1615 ExecStart=/etc/rc.d/init.d/cobblerd start (code=exited, status=1/FAILURE)
May 24 04:30:54 dev systemd[1]: Starting LSB: daemon for libvirt virtualization API...
May 24 04:30:55 dev cobblerd[1615]: Starting cobbler daemon: [FAILED]
May 24 04:30:55 dev systemd[1]: cobblerd.service: control process exited, code=exited status=1
May 24 04:30:55 dev systemd[1]: Failed to start LSB: daemon for libvirt virtualization API.
May 24 04:30:55 dev systemd[1]: Unit cobblerd.service entered failed state.
May 24 04:30:55 dev systemd[1]: cobblerd.service failed.
以下はJournalctl -xeのログです。
[root@dev ~]# systemctl start cobblerd
Job for cobblerd.service failed because the control process exited with error code. See "systemctl status cobblerd.service" and "journalctl -xe" for details.
[root@dev ~]# journalctl -xe
Jun 03 19:58:34 ztp-dev sshd[29992]: Failed password for invalid user support from 104.99.0.147 port 56131 ssh2
Jun 03 19:58:34 ztp-dev sshd[29992]: Connection reset by 104.99.0.147 port 56131 [preauth]
Jun 03 19:58:36 ztp-dev sshd[29994]: Did not receive identification string from 104.99.0.147 port 56418
Jun 03 19:58:45 ztp-dev polkitd[5598]: Registered Authentication Agent for unix-process:29996:625961854 (system bus name :1.3601 [/usr/bin/pkttyagent --notify-fd 5 --fall
Jun 03 19:58:45 ztp-dev systemd[1]: Reloading.
Jun 03 19:58:45 ztp-dev polkitd[5598]: Unregistered Authentication Agent for unix-process:29996:625961854 (system bus name :1.3601, object path /org/freedesktop/PolicyKit
Jun 03 19:59:21 ztp-dev sshd[30017]: Invalid user demo from 125.207.14.76 port 47714
Jun 03 19:59:21 ztp-dev sshd[30017]: input_userauth_request: invalid user demo [preauth]
Jun 03 19:59:21 ztp-dev sshd[30017]: pam_unix(sshd:auth): check pass; user unknown
Jun 03 19:59:21 ztp-dev sshd[30017]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.207.14.76
Jun 03 19:59:23 ztp-dev sshd[30017]: Failed password for invalid user demo from 125.207.14.76 port 47714 ssh2
Jun 03 19:59:23 ztp-dev sshd[30017]: Received disconnect from 125.207.14.76 port 47714:11: Bye Bye [preauth]
Jun 03 19:59:23 ztp-dev sshd[30017]: Disconnected from 125.207.14.76 port 47714 [preauth]
Jun 03 20:00:09 ztp-dev sshd[30022]: Did not receive identification string from 219.92.1.132 port 57163
Jun 03 20:00:17 ztp-dev sshd[30023]: Address 25.95.113.42 maps to host.colocrossing.com, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Jun 03 20:00:17 ztp-dev sshd[30023]: Invalid user raynard from 25.95.113.42 port 52350
Jun 03 20:00:17 ztp-dev sshd[30023]: input_userauth_request: invalid user raynard [preauth]
Jun 03 20:00:17 ztp-dev sshd[30023]: pam_unix(sshd:auth): check pass; user unknown
Jun 03 20:00:17 ztp-dev sshd[30023]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=25.95.113.42
Jun 03 20:00:19 ztp-dev sshd[30023]: Failed password for invalid user raynard from 25.95.113.42 port 52550 ssh2
Jun 03 20:00:19 ztp-dev sshd[30023]: Received disconnect from 25.95.113.42 port 52350:11: Bye Bye [preauth]
Jun 03 20:00:19 ztp-dev sshd[30023]: Disconnected from 25.95.113.42 port 52350 [preauth]
Jun 03 20:00:28 ztp-dev polkitd[5598]: Registered Authentication Agent for unix-process:30025:625972177 (system bus name :1.3602 [/usr/bin/pkttyagent --notify-fd 5 --fall
Jun 03 20:00:28 ztp-dev systemd[1]: Starting LSB: daemon for libvirt virtualization API...
-- Subject: Unit cobblerd.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit cobblerd.service has begun starting up.
Jun 03 20:00:29 ztp-dev cobblerd[30031]: Starting cobbler daemon: [FAILED]
Jun 03 20:00:29 ztp-dev systemd[1]: cobblerd.service: control process exited, code=exited status=1
Jun 03 20:00:29 ztp-dev systemd[1]: Failed to start LSB: daemon for libvirt virtualization API.
-- Subject: Unit cobblerd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit cobblerd.service has failed.
--
-- The result is failed.
Jun 03 20:00:29 ztp-dev systemd[1]: Unit cobblerd.service entered failed state.
Jun 03 20:00:29 ztp-dev systemd[1]: cobblerd.service failed.
Jun 03 20:00:29 ztp-dev polkitd[5598]: Unregistered Authentication Agent for unix-process:30025:625972177 (system bus name :1.3602, object path /org/freedesktop/PolicyKit
以下のようにlibvirtdを起動できます。
[root@dev cobbler]# systemctl status libvirtd
● libvirtd.service - Virtualization daemon
Loaded: loaded (/usr/lib/systemd/system/libvirtd.service; enabled; vendor preset: enabled)
Active: active (running) since Fri 2019-05-24 04:09:21 PDT; 20min ago
Docs: man:libvirtd(8)
https://libvirt.org
Main PID: 789 (libvirtd)
Tasks: 19 (limit: 32768)
CGroup: /system.slice/libvirtd.service
├─ 789 /usr/sbin/libvirtd
├─29627 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper
└─29628 /usr/sbin/dnsmasq --conf-file=/var/lib/libvirt/dnsmasq/default.conf --leasefile-ro --dhcp-script=/usr/libexec/libvirt_leaseshelper
May 24 04:09:21 dev systemd[1]: Starting Virtualization daemon...
May 24 04:09:21 dev systemd[1]: Started Virtualization daemon.
May 24 04:09:21 dev dnsmasq[29627]: read /etc/hosts - 2 addresses
May 24 04:09:21 dev dnsmasq[29627]: read /var/lib/libvirt/dnsmasq/default.addnhosts - 0 addresses
May 24 04:09:21 dev dnsmasq-dhcp[29627]: read /var/lib/libvirt/dnsmasq/default.hostsfile
systemctl start/stop libvirtコマンドを使用してlibvirtを起動/停止することはできますが、systemctl start cobblerdを実行してもlibvirtdは起動しません。
この問題をどのように解決しますか？
ありがとう、モハン