supports snapshots. Using the `backup=no` mountpoint option individual volumes
can be excluded from the backup (and thus this requirement).
+NOTE: bind and device mountpoints are skipped during backup operations, like
+volume mountpoints with the backup option disabled.
+
Backup File Names
-----------------
'vzdump' skips the following files by default (disable with the option
`--stdexcludes 0`)
- /var/log/?*
/tmp/?*
/var/tmp/?*
/var/run/?*pid