Comment 2 for bug 1781230

Using Ubuntu 18.04,

I can only ping but can't do ssh, same issue.

root@kolla-deploy:~# ping 192.168.1.102
PING 192.168.1.102 (192.168.1.102) 56(84) bytes of data.
64 bytes from 192.168.1.102: icmp_seq=1 ttl=63 time=4.61 ms
64 bytes from 192.168.1.102: icmp_seq=2 ttl=63 time=2.63 ms

root@kolla-deploy:~# ssh ubuntu@192.168.1.102
ssh: connect to host 192.168.1.102 port 22: Connection refused

-----
Error of vmtp

2018-07-12 09:51:06,825 INFO [TestServer1] SSH IP: 192.168.1.102
2018-07-12 09:51:06,825 INFO [TestServer1] Setup SSH for ubuntu@192.168.1.102
2018-07-12 09:55:49,637 ERROR Traceback (most recent call last):
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/vmtp.py", line 475, in run
    self.setup()
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/vmtp.py", line 318, in setup
    self.net.vm_int_net[0])
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/vmtp.py", line 169, in create_instance
    init_file_name=user_data_file))
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/perf_instance.py", line 47, in create
    init_file_name)
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/instance.py", line 210, in create
    if not self.setup_ssh(self.ssh_access):
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/instance.py", line 73, in setup_ssh
    connect_retry_count=self.config.ssh_retry_count)
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/sshutils.py", line 173, in __init__
    self.__get_distro()
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/sshutils.py", line 360, in __get_distro
    (status, distro_out, _) = self.execute(distro_cmd)
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/sshutils.py", line 323, in execute
    timeout=timeout, raise_on_error=False)
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/sshutils.py", line 234, in run
    client = self._get_client()
  File "/root/vmtpenv/local/lib/python2.7/site-packages/vmtp/sshutils.py", line 214, in _get_client
    raise SSHError(msg)
SSHError: [192.168.1.102] SSH Connection failed after 100 attempts