if [ "$INTERFACE_NAME" ]; then
# external tools may request a custom name
COMMENT="$COMMENT (custom name provided by external tool)"
if [ "$INTERFACE_NAME" ]; then
# external tools may request a custom name
COMMENT="$COMMENT (custom name provided by external tool)"
if interface_name_taken; then
INTERFACE="$basename$(find_next_available "$basename[0-9]*")"
echo "INTERFACE_NEW=$INTERFACE"
if interface_name_taken; then
INTERFACE="$basename$(find_next_available "$basename[0-9]*")"
echo "INTERFACE_NEW=$INTERFACE"