if ($cidr =~ m/^${PVE::Firewall::ip_alias_pattern}$/) {
# make sure alias exists (if $cidr is an alias)
PVE::Firewall::resolve_alias($cluster_conf, $fw_conf, $cidr);
if ($cidr =~ m/^${PVE::Firewall::ip_alias_pattern}$/) {
# make sure alias exists (if $cidr is an alias)
PVE::Firewall::resolve_alias($cluster_conf, $fw_conf, $cidr);