Patch to prevent multiple nwfilters with different name but same UUID. Signed-off-by: Stefan Berger <stefanb@us.ibm.com> --- src/conf/nwfilter_conf.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) Index: libvirt-acl/src/conf/nwfilter_conf.c =================================================================== --- libvirt-acl.orig/src/conf/nwfilter_conf.c +++ libvirt-acl/src/conf/nwfilter_conf.c @@ -2399,6 +2399,20 @@ virNWFilterPoolObjAssignDef(virConnectPt { virNWFilterPoolObjPtr pool; + pool = virNWFilterPoolObjFindByUUID(pools, def->uuid); + + if (pool) { + if (!STREQ(def->name, pool->def->name)) { + virNWFilterReportError(VIR_ERR_INVALID_NWFILTER, + _("filter with same UUID but different name " + "('%s') already exists"), + pool->def->name); + virNWFilterPoolObjUnlock(pool); + return NULL; + } + virNWFilterPoolObjUnlock(pool); + } + if (virNWFilterDefLoopDetect(conn, pools, def)) { virNWFilterReportError(VIR_ERR_INVALID_NWFILTER, "%s", _("filter would introduce a loop"));