SLES15 SP1 - user@470.service: Killing process

following messages were reported, though system was accessible via ssh, but applications and DB was stopped and even unable to login on GUI(console, xrdp, vnc). Please advise, how can I avoid these messages and downtime.
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> 2021-01-26T07:55:35.577891+05:00 node1 systemd[1]: user@470.service: Killing process 15178 (rwserver.sh) with signal SIGKILL.
> 2021-01-26T07:55:35.578198+05:00 node1 systemd[1]: user@470.service: Killing process 15194 (rwserver) with signal SIGKILL.
> 2021-01-26T07:55:35.578438+05:00 node1 systemd[1]: user@470.service: Killing process 15195 (tee) with signal SIGKILL.
> 2021-01-26T07:55:35.578679+05:00 node1 systemd[1]: user@470.service: Killing process 15559 (startWebLogic.s) with signal SIGKILL.
> 2021-01-26T07:55:35.578953+05:00 node1 systemd[1]: user@470.service: Killing process 15612 (java) with signal SIGKILL.
> 2021-01-26T07:55:35.744983+05:00 node1 systemd[1]: user@470.service: Killing process 17122 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.745293+05:00 node1 org.gtk.vfs.Daemon[22621]: A connection to the bus can’t be made
> 2021-01-26T07:55:35.745473+05:00 node1 systemd[1]: user@470.service: Killing process 17126 (odl_rotatelogs) with signal SIGKILL.
> 2021-01-26T07:55:35.745642+05:00 node1 org.gtk.vfs.Daemon[22621]: A connection to the bus can’t be made
> 2021-01-26T07:55:35.745804+05:00 node1 systemd[1]: user@470.service: Killing process 17127 (odl_rotatelogs) with signal SIGKILL.
> 2021-01-26T07:55:35.745943+05:00 node1 systemd[1]: user@470.service: Killing process 17128 (odl_rotatelogs) with signal SIGKILL.
> 2021-01-26T07:55:35.746075+05:00 node1 systemd[1]: user@470.service: Killing process 17130 (odl_rotatelogs) with signal SIGKILL.
> 2021-01-26T07:55:35.746208+05:00 node1 systemd[1]: user@470.service: Killing process 17131 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.746337+05:00 node1 systemd[1]: user@470.service: Killing process 17134 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.746463+05:00 node1 systemd[1]: user@470.service: Killing process 17136 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.746596+05:00 node1 systemd[1]: user@470.service: Killing process 17137 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.746726+05:00 node1 systemd[1]: user@470.service: Killing process 17443 (httpd) with signal SIGKILL.
> 2021-01-26T07:55:35.746850+05:00 node1 org.gtk.vfs.Daemon[22621]: A connection to the bus can’t be made
> 2021-01-26T07:55:35.746983+05:00 node1 systemd[1]: user@470.service: Killing process 22538 (Xvnc) with signal SIGKILL.
> 2021-01-26T07:55:35.747118+05:00 node1 systemd[1]: user@470.service: Killing process 22620 (dbus-launch) with signal SIGKILL.
> 2021-01-26T07:55:35.747319+05:00 node1 systemd[1]: user@470.service: Killing process 22621 (dbus-daemon) with signal SIGKILL.
> 2021-01-26T07:55:35.747451+05:00 node1 systemd[1]: user@470.service: Killing process 22640 (gvfsd) with signal SIGKILL.
> 2021-01-26T07:55:35.747613+05:00 node1 systemd[1]: user@470.service: Killing process 22779 (gvfs-udisks2-vo) with signal SIGKILL.
> 2021-01-26T07:55:35.747774+05:00 node1 systemd[1]: user@470.service: Killing process 22785 (gvfs-afc-volume) with signal SIGKILL.
> 2021-01-26T07:55:35.747921+05:00 node1 systemd[1]: user@470.service: Killing process 22792 (gvfs-goa-volume) with signal SIGKILL.
> 2021-01-26T07:55:35.748081+05:00 node1 gnome-software[22929]: lost session service
> 2021-01-26T07:55:35.757654+05:00 node1 org.gtk.vfs.Daemon[22621]: A connection to the bus can’t be made
> 2021-01-26T07:55:35.757911+05:00 node1 systemd[1]: user@470.service: Killing process 22798 (gvfs-gphoto2-vo) with signal SIGKILL.
> 2021-01-26T07:55:35.758094+05:00 node1 systemd[1]: user@470.service: Killing process 22803 (gvfs-mtp-volume) with signal SIGKILL.
> 2021-01-26T07:55:35.758241+05:00 node1 systemd[1]: user@470.service: Killing process 22929 (gnome-software) with signal SIGKILL.
> 2021-01-26T07:55:35.758442+05:00 node1 systemd[1]: user@470.service: Killing process 25421 (gvfsd-trash) with signal SIGKILL.
> 2021-01-26T07:55:35.758641+05:00 node1 systemd[1]: user@470.service: Killing process 25431 (dconf-service) with signal SIGKILL.
> 2021-01-26T07:55:35.758827+05:00 node1 systemd[1]: user@470.service: Killing process 25445 (gvfsd-burn) with signal SIGKILL.
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