[ping]    IPv4 ping H3 [ node(s): h1,h2 ]
[WAITING] Wait for STP to do its job (retrying for 40 seconds)
[PASS]    h2: Ping to h3 (172.16.0.4) succeeded
[WAITING] Wait for STP to do its job (21 seconds left)
[PASS]    h1: Ping to h3 (172.16.0.4) succeeded
[PASS]    Test succeeded in 19.4 seconds

[SUCCESS] Tests passed: 2