Comment 8 for bug 1873607

And again:
root@noc1:~#
Broadcast message from <email address hidden> (Tue 2020-04-28 12:32:15 CDT):

systemd[1]: Caught <SEGV>, dumped core as pid 25084.

Broadcast message from <email address hidden> (Tue 2020-04-28 12:32:15 CDT):

systemd[1]: Freezing execution.

root@noc1:~#

from the syslog:

Apr 28 12:31:46 noc1 rssmonitor.py[18369]: rssmain: Running: systemctl daemon-reload
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/dbus.socket:4: ListenStream= references a path below legacy directory /var/run/, updating /var/run/dbus/system_bus_socket → /run/dbus/system_bus_socket; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/virtlockd.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/libvirt/virtlockd-sock → /run/libvirt/virtlockd-sock; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/virtlockd-admin.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/libvirt/virtlockd-admin-sock → /run/libvirt/virtlockd-admin-sock; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/virtlogd.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/libvirt/virtlogd-sock → /run/libvirt/virtlogd-sock; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/virtlogd-admin.socket:5: ListenStream= references a path below legacy directory /var/run/, updating /var/run/libvirt/virtlogd-admin-sock → /run/libvirt/virtlogd-admin-sock; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: /lib/systemd/system/fail2ban.service:12: PIDFile= references a path below legacy directory /var/run/, updating /var/run/fail2ban/fail2ban.pid → /run/fail2ban/fail2ban.pid; please update the unit file accordingly.
Apr 28 12:31:46 noc1 systemd[1]: Reloading.
Apr 28 12:31:46 noc1 kernel: [37890.433153] systemd[1]: segfault at 50 ip 000055c2dd32d6f0 sp 00007ffef173c7b0 error 4 in systemd[55c2dd2d4000+ae000]
Apr 28 12:31:46 noc1 kernel: [37890.433172] Code: a8 48 8b 75 a0 c7 45 ac 00 00 00 00 48 8b 94 c7 a0 04 00 00 48 89 45 88 48 89 f0 48 39 d6 74 17 66 2e 0f 1f 84 00 00 00 00 00 <48> 8b 40 50 83 45 ac 01 48 39 c2 75 f3 48 8b 45 a0 31 db 4c 8d 7d
Apr 28 12:31:47 noc1 rssmonitor.py[18369]: rssmain: Ran OK: systemctl daemon-reload

The last entry means the systemctl daemon-reload command returned a normal 0 exit code.