code: def _get_ext_net_name_gbp(self, network_name):
          
          prefix = network_name[:re.search(UUID_REGEX, network_name).start() - 1]
          return prefix.strip(APIC_OWNED)
docs: Get the external network name
  
          The name of the external network used in the APIC
          configuration file can be different from the name
          of the external network in Neutron, especially using
          the GBP workflow