정기적으로 나타나는 로그의 내용과 대응책을 여쭤봅니다.

리눅스에 대한 관리 지식이 없다 보니 로그에 대한 대응이 어려워 질문 올립니다.

CentOS 이며,

특정시간( 1시간에 한번꼴)에  아래 내용의 로그가 남으며 

일시적으로 서버가 튀고 네트웍도 일시적으로 끊기는 것으로 판단됩니다.

이게 어떤 내용일까요,

이걸 없애는 방법은 뭘까요?

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped Sound Service.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped target Default.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopping D-Bus User Message Bus...

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped D-Bus User Message Bus.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped target Basic System.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped target Paths.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped target Sockets.

Jan 14 06:02:28 myserver1 systemd[60755]: Closed Multimedia System.

Jan 14 06:02:28 myserver1 systemd[60755]: Closed Sound System.

Jan 14 06:02:28 myserver1 systemd[60755]: Stopped target Timers.

Jan 14 06:02:28 myserver1 systemd[60755]: Closed D-Bus User Message Bus Socket.

Jan 14 06:02:28 myserver1 systemd[60755]: Reached target Shutdown.

Jan 14 06:02:28 myserver1 systemd[60755]: Starting Exit the Session...

Jan 14 06:02:28 myserver1 systemd[1]: user-runtime-dir@0.service: Unit not needed anymore. Stopping.

Jan 14 06:02:28 myserver1 systemd[1]: Stopped User Manager for UID 0.

Jan 14 06:02:28 myserver1 systemd[1]: user-runtime-dir@0.service: Unit not needed anymore. Stopping.

Jan 14 06:02:28 myserver1 systemd[1]: Removed slice User Slice of UID 0.

Jan 14 06:02:28 myserver1 systemd[1]: Stopping /run/user/0 mount wrapper...

Jan 14 06:02:28 myserver1 systemd[1]: Stopped /run/user/0 mount wrapper.