diff --git a/src/PVE/Network.pm b/src/PVE/Network.pm
index 2d63a45..161f1c2 100644
--- a/src/PVE/Network.pm
+++ b/src/PVE/Network.pm
@@ -15,7 +15,7 @@ use Socket qw(NI_NUMERICHOST NI_NUMERICSERV);
 
 # host network related utility functions
 
-our $PHYSICAL_NIC_RE = qr/(?:eth\d+|en[^:.]+|ib\d+)/;
+our $PHYSICAL_NIC_RE = qr/(?:eth\d+|en[^:.]+|ib[^:.]+)/;
 
 our $ipv4_reverse_mask = [
     '0.0.0.0',