import pexpect

c = pexpect.spawn('ssh -q -o StrictHostKeyChecking=no root@210.16.161.214', encoding='utf-8', timeout=30)
c.expect('password:')
c.sendline('XHR521yhf')
c.expect('[$#]')

c.sendline("docker ps --format 'table {{.Names}}\t{{.Status}}\t{{.Ports}}' | grep velob")
c.expect('[$#]')
print('CONTAINERS:')
print(c.before.strip()[-600:])

c.sendline('exit')