-582144 ON_QA https://bugzilla.redhat.com/show_bug.cgi?id=582144
- $g->aug_set doesn't allow a NULL value
+609990 MODIFIED https://bugzilla.redhat.com/show_bug.cgi?id=609990
+ guestfish: using -m option in conjunction with --listen option causes appliance to die
+
+610880 MODIFIED https://bugzilla.redhat.com/show_bug.cgi?id=610880
+ libguestfs should set broader read perms on tmpdir, so works in some situations when executed with umask 077