diff --git a/src/conf/netdev_bandwidth_conf.c b/src/conf/netdev_bandwidth_conf.c
index 6307ac4d56..5cbb9f46e4 100644
--- a/src/conf/netdev_bandwidth_conf.c
+++ b/src/conf/netdev_bandwidth_conf.c
@@ -304,3 +304,23 @@ virNetDevBandwidthHasFloor(const virNetDevBandwidth *b)
 {
     return b && b->in && b->in->floor != 0;
 }
+
+
+bool virNetDevBandwidthSupportsFloor(virNetworkForwardType type)
+{
+    switch (type) {
+    case VIR_NETWORK_FORWARD_NONE:
+    case VIR_NETWORK_FORWARD_NAT:
+    case VIR_NETWORK_FORWARD_ROUTE:
+    case VIR_NETWORK_FORWARD_OPEN:
+        return true;
+    case VIR_NETWORK_FORWARD_BRIDGE:
+    case VIR_NETWORK_FORWARD_PRIVATE:
+    case VIR_NETWORK_FORWARD_VEPA:
+    case VIR_NETWORK_FORWARD_PASSTHROUGH:
+    case VIR_NETWORK_FORWARD_HOSTDEV:
+    case VIR_NETWORK_FORWARD_LAST:
+        break;
+    }
+    return false;
+}
diff --git a/src/conf/netdev_bandwidth_conf.h b/src/conf/netdev_bandwidth_conf.h
index 0e10a4cb01..b9e57168be 100644
--- a/src/conf/netdev_bandwidth_conf.h
+++ b/src/conf/netdev_bandwidth_conf.h
@@ -23,6 +23,7 @@
 #include "virbuffer.h"
 #include "virxml.h"
 #include "domain_conf.h"
+#include "network_conf.h"
 
 int virNetDevBandwidthParse(virNetDevBandwidthPtr *bandwidth,
                             unsigned int *class_id,
@@ -60,3 +61,4 @@ static inline bool virNetDevSupportBandwidth(virDomainNetType type)
 
 
 bool virNetDevBandwidthHasFloor(const virNetDevBandwidth *b);
+bool virNetDevBandwidthSupportsFloor(virNetworkForwardType type);
diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
index 73c94ed81a..125d1836dd 100644
--- a/src/libvirt_private.syms
+++ b/src/libvirt_private.syms
@@ -735,6 +735,7 @@ virDomainClearNetBandwidth;
 virNetDevBandwidthFormat;
 virNetDevBandwidthHasFloor;
 virNetDevBandwidthParse;
+virNetDevBandwidthSupportsFloor;
 
 
 # conf/netdev_vlan_conf.h
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index 6d7eadad43..8b1f722eb6 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -5065,6 +5065,15 @@ networkCheckBandwidth(virNetworkObjPtr obj,
 
     virMacAddrFormat(ifaceMac, ifmac);
 
+    if (virNetDevBandwidthHasFloor(ifaceBand) &&
+        !virNetDevBandwidthSupportsFloor(def->forward.type)) {
+        virReportError(VIR_ERR_OPERATION_UNSUPPORTED,
+                       _("Invalid use of 'floor' on interface with MAC address %s "
+                         "- 'floor' is only supported for interface type 'network' with forward type 'nat', 'route', 'open' or none"),
+                       ifmac);
+        return -1;
+    }
+
     if (virNetDevBandwidthHasFloor(ifaceBand) &&
         !(netBand && netBand->in)) {
         virReportError(VIR_ERR_OPERATION_UNSUPPORTED,