Task "connectivity_tests" doesn't passed for cluster without management network

[Sergey Novikov]

Detailed bug description:
 The issue was found by https://product-ci.infra.mirantis.net/job/9.x.system_test.ubuntu.network_templates/120/testReport/
Steps to reproduce:
            1. Create cluster (HA) with Neutron VLAN
            2. Add 1 controller + cinder nodes
            3. Add 2 compute + cinder nodes
            4. Upload network template
            5. Delete 'management' network-group
            6. Run network verification
            7. Deploy cluster
Expected results: The deployment passes
Actual result: the deployment fails on task "connectivity_tests"
from puppet's log: http://paste.openstack.org/show/588964/
some additional info: http://paste.openstack.org/show/588966/

Description of the environment:
 snapshot #498
 http://paste.openstack.org/show/588929/

[Oleksiy Molchanov (omolchanov)]

Seems that the issue was related to problems with fuel-infra. Not reproduced:

[root@nailgun ~]# for i in 1 2 3; do ssh node-$i ping -c 1 google.com; done
Warning: Permanently added 'node-1' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=50 time=18.7 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 18.707/18.707/18.707/0.000 ms
Warning: Permanently added 'node-2' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=49 time=19.3 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 19.353/19.353/19.353/0.000 ms
Warning: Permanently added 'node-3' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=49 time=19.2 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 19.263/19.263/19.263/0.000 ms