Fetches all configured IPsecSiteConnections for a project.

def list_ipsec_site_connections(self, retrieve_all=True, **_params):
        """Fetches all configured IPsecSiteConnections for a project."""
        return self.list('ipsec_site_connections',
                         self.ipsec_site_connections_path,
                         retrieve_all,
                         **_params)