controller-0:~$ systemctl status etcd.service
● etcd.service - Etcd Server
   Loaded: loaded (/usr/lib/systemd/system/etcd.service; disabled; vendor preset: disabled)
   Active: failed (Result: start-limit) since Mon 2021-10-04 06:44:35 UTC; 8min ago
  Process: 114537 ExecStart=/bin/bash -c GOMAXPROCS=$(nproc) /usr/bin/etcd --name="${ETCD_NAME}" --data-dir="${ETCD_DATA_DIR}" --listen-client-urls="${ETCD_LISTEN_CLIENT_URLS}" (code=exited, status=1/FAILURE)
 Main PID: 114537 (code=exited, status=1/FAILURE)

controller-0:~$ sudo journalctl -xe
-- 
-- Unit dracut-pre-udev.service has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Stopped dracut cmdline hook.
-- Subject: Unit dracut-cmdline.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit dracut-cmdline.service has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Stopped Create Static Device Nodes in /dev.
-- Subject: Unit systemd-tmpfiles-setup-dev.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-tmpfiles-setup-dev.service has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Stopped Create list of required static device nodes for the current kernel.
-- Subject: Unit kmod-static-nodes.service has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit kmod-static-nodes.service has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Closed udev Kernel Socket.
-- Subject: Unit systemd-udevd-kernel.socket has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-udevd-kernel.socket has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Closed udev Control Socket.
-- Subject: Unit systemd-udevd-control.socket has finished shutting down
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit systemd-udevd-control.socket has finished shutting down.
Sep 30 11:59:20 localhost systemd[1]: Starting Cleanup udevd DB...
-- Subject: Unit initrd-udevadm-cleanup-db.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit initrd-udevadm-cleanup-db.service has begun starting up.
Sep 30 11:59:20 localhost systemd[1]: Started Cleanup udevd DB.
-- Subject: Unit initrd-udevadm-cleanup-db.service has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit initrd-udevadm-cleanup-db.service has finished starting up.
-- 
-- The start-up result is done.
Sep 30 11:59:20 localhost systemd[1]: Reached target Switch Root.
-- Subject: Unit initrd-switch-root.target has finished start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit initrd-switch-root.target has finished starting up.
-- 
-- The start-up result is done.
Sep 30 11:59:20 localhost systemd[1]: Starting Switch Root...
-- Subject: Unit initrd-switch-root.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit initrd-switch-root.service has begun starting up.
Sep 30 11:59:20 localhost systemd[1]: Switching root.
Sep 30 11:59:20 localhost systemd-journal[739]: Journal stopped
-- Subject: The journal has been stopped
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- The system journal process has shut down and closed all currently
-- active journal files.