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advanced reboot test failed due to "FAILED:dut:SSH threads haven't finished for 300 seconds" #2601

@stepanblyschak

Description

@stepanblyschak

Description

Steps to reproduce the issue:

  1. Run fast-reboot or warm-reboot tests several times.

Describe the results you received:
Warm reboot test failed due to “FAILED:dut:SSH threads haven’t finished for 300 seconds” on arc-switch1025, which probably means some ssh commands running on VMs haven’t finished.
All VMs are in good health:

        "AssertionError: ", 

        "", 

        “Something went wrong. Please check output below:”, 

        "", 

        “FAILED:dut:SSH threads haven’t finished for 300 seconds”, 

        "", 

        "", 

        “-—————————————————————————————————-”, 

        “Ran 1 test in 1598.755s”, 

        "", 

        “FAILED (failures=1)”

    ]

}
root@arc-host121:~# telnet localhost 7001
Trying 127.0.0.1…
Connected to localhost.
Escape character is ‘^]’.

ARISTA01T1 login: admin^C
ARISTA01T1 login:

ARISTA01T1 login: root
Password:

Arista Networks EOS shell

-bash-4.3#
telnet> quit
Connection closed.
root@arc-host121:~# telnet localhost 7002
Trying 127.0.0.1…
Connected to localhost.
Escape character is ‘^]’.

ARISTA02T1 login: root
Password:

Arista Networks EOS shell

-bash-4.3# Cli
ARISTA02T1>ena
ARISTA02T1#show int st
Port Name Status Vlan Duplex Speed Type Flags
Et1 connected in Po1 full unconf EbraTestPhyPort
Et2 connected 1 full unconf EbraTestPhyPort
Et3 connected 1 full unconf EbraTestPhyPort
Et4 connected 1 full unconf EbraTestPhyPort
Et5 backplane connected routed full unconf EbraTestPhyPort
Ma1 TO LAB MGMT SWITCH connected routed a-full a-1G 10/100/1000
Po1 connected routed full unconf N/A

ARISTA02T1#exit
-bash-4.3#
telnet> quit
Connection closed.
root@arc-host121:~# telnet localhost 7001
Trying 127.0.0.1…
Connected to localhost.
Escape character is ‘^]’.

-bash-4.3# Cli
ARISTA01T1>ena
ARISTA01T1#show int st
Port Name Status Vlan Duplex Speed Type Flags
Et1 connected in Po1 full unconf EbraTestPhyPort
Et2 connected 1 full unconf EbraTestPhyPort
Et3 connected 1 full unconf EbraTestPhyPort
Et4 connected 1 full unconf EbraTestPhyPort
Et5 backplane connected routed full unconf EbraTestPhyPort
Ma1 TO LAB MGMT SWITCH connected routed a-full a-1G 10/100/1000
Po1 connected routed full unconf N/A

ARISTA01T1#exit
-bash-4.3#
telnet> quit
Connection closed.
root@arc-host121:~# telnet localhost 7003
Trying 127.0.0.1…
Connected to localhost.
Escape character is ‘^]’.

ARISTA03T1 login: root
Password:

Arista Networks EOS shell

-bash-4.3# show int st
-bash: show: command not found
-bash-4.3# Cli
ARISTA03T1>ena
ARISTA03T1#show int st
Port Name Status Vlan Duplex Speed Type Flags
Et1 connected in Po1 full unconf EbraTestPhyPort
Et2 connected 1 full unconf EbraTestPhyPort
Et3 connected 1 full unconf EbraTestPhyPort
Et4 connected 1 full unconf EbraTestPhyPort
Et5 backplane connected routed full unconf EbraTestPhyPort
Ma1 TO LAB MGMT SWITCH connected routed a-full a-1G 10/100/1000
Po1 connected routed full unconf N/A

ARISTA03T1#exit
-bash-4.3#
telnet> quit
Connection closed.
root@arc-host121:~# telnet localhost 7004
Trying 127.0.0.1…
Connected to localhost.
Escape character is ‘^]’.

ARISTA04T1 login: root
Password:

Arista Networks EOS shell

-bash-4.3# Cli
ARISTA04T1>ena
ARISTA04T1#show int st
Port Name Status Vlan Duplex Speed Type Flags
Et1 connected in Po1 full unconf EbraTestPhyPort
Et2 connected 1 full unconf EbraTestPhyPort
Et3 connected 1 full unconf EbraTestPhyPort
Et4 connected 1 full unconf EbraTestPhyPort
Et5 backplane connected routed full unconf EbraTestPhyPort
Ma1 TO LAB MGMT SWITCH connected routed a-full a-1G 10/100/1000
Po1 connected routed full unconf N/A

ARISTA04T1#exit

Describe the results you expected:
This error should not be observed.

Additional information you deem important:

**Output of `show version`:**

```
(paste your output here)
```

**Attach debug file `sudo generate_dump`:**

```
(paste your output here)
```

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