test_network_advanced_server_ops.py scipt fails during in _setup_network

[ Message content over the limit has been removed. ] File "tempest/scenario/test_network_advanced_server_ops.py", line 78, in _setup_network server, keypair, floating_ip) File "tempest/scenario/test_network_advanced_server_ops.py", line 103, in _wait_server_status_and_check_network_connectivity self._check_network_connectivity(server, keypair, floating_ip) File "tempest/scenario/test_network_advanced_server_ops.py", line 96, in _check_network_connectivity server) File "tempest/scenario/manager.py", line 724, in check_vm_connectivity msg=msg) File "/usr/lib/python2.7/site-packages/unittest2/case.py", line 702, in assertTrue raise self.failureException(msg)