[ping_red]    Ping-based reachability test in VLAN red [ node(s): r2,r3,r4 ]
[PASS]        r2: Ping to r1 (172.31.1.5) succeeded
[PASS]        r3: Ping to r1 (172.31.1.5) succeeded
[PASS]        r4: Ping to r1 (172.31.1.5) succeeded
[PASS]        Test succeeded in 0.2 seconds

[ping_vlan_1] Ping-based reachability test in VLAN 1 [ node(s): d2,d3,d4 ]
[PASS]        d3: Ping to d1 (172.31.1.9) succeeded
[WAITING]     Waiting for STP to enable the ports (retrying for 15 seconds)
[FAIL]        Node d4: Ping to d1 (172.31.1.9) failed
Returned result
================================================================================
stdout: 'PING d1 (172.31.1.9): 56 data bytes


  --- d1 ping statistics ---

  5 packets transmitted, 0 packets received, 100% packet loss

  '

[FAIL]        Node d2: Ping to d1 (172.31.1.9) failed
Returned result
================================================================================
stdout: 'PING d1 (172.31.1.9): 56 data bytes


  --- d1 ping statistics ---

  5 packets transmitted, 0 packets received, 100% packet loss

  '


[ping_irb_1]  Ping VLAN 1 interface on S1 [ node(s): d1,d2,d3,d4 ]
[PASS]        d1: Ping to 172.31.1.1 succeeded
[FAIL]        Node d2: Ping to 172.31.1.1 failed
Returned result
================================================================================
stdout: 'PING 172.31.1.1 (172.31.1.1): 56 data bytes


  --- 172.31.1.1 ping statistics ---

  5 packets transmitted, 0 packets received, 100% packet loss

  '

[PASS]        d3: Ping to 172.31.1.1 succeeded
[FAIL]        Node d4: Ping to 172.31.1.1 failed
Returned result
================================================================================
stdout: 'PING 172.31.1.1 (172.31.1.1): 56 data bytes


  --- 172.31.1.1 ping statistics ---

  5 packets transmitted, 0 packets received, 100% packet loss

  '


[FAIL]        10 tests completed, 4 tests failed