my ($iface, $mac) = @_;
my $learning = PVE::Tools::file_read_firstline("/sys/class/net/$iface/brport/learning");
- return if $learning;
+ return if !defined($learning) || $learning == 1;
my ($vmid, $devid) = &$parse_tap_device_name($iface, 1);
return if !defined($vmid);
my ($iface, $mac) = @_;
my $learning = PVE::Tools::file_read_firstline("/sys/class/net/$iface/brport/learning");
- return if $learning;
+ return if !defined($learning) || $learning == 1;
my ($vmid, $devid) = &$parse_tap_device_name($iface, 1);
return if !defined($vmid);