/usr/bin/lustre_rmmod: line 7: basename: command not found
 -h|--help
 [-d|--debug-kernel] [-w|--wait SECS] [MODULENAME...]

	-d, --debug-kernel	Display lustre kernel debug messages
	-h, --help		Display this help message
	-w, --wait SECS		wait for device cleanup and module
				refcounts to drain (default 60s)
				0 unloads (and potentially fails) immediately
	MODULENAME		List of lustre modules to unload.
				By default all modules are unloaded.