systemd[1]: Failed to activate swap /ephemeral0.2.

Issue

• Service ephemeral0.2.swap shows the failed status.

* ephemeral0.2.swap - /ephemeral0.2
   Loaded: loaded (/etc/fstab; generated)
   Active: failed (Result: exit-code) since Fri 2021-12-03 14:51:07 CST; 10min ago
     What: /ephemeral0.2
     Docs: man:fstab(5)
           man:systemd-fstab-generator(8)

Dec 03 14:51:07 abc4 systemd[1]: Activating swap /ephemeral0.2...
Dec 03 14:51:07 abc4 swapon[850]: swapon: cannot open /ephemeral0.2: No such file or directory
Dec 03 14:51:07 abc4 systemd[1]: ephemeral0.2.swap: Swap process exited, code=exited status=255
Dec 03 14:51:07 abc4 systemd[1]: ephemeral0.2.swap: Failed with result 'exit-code'.
Dec 03 14:51:07 abc4 systemd[1]: Failed to activate swap /ephemeral0.2.