[jira] [Created] (CLOUDSTACK-8935) Cannot remove rVPC networks due to RTNETLINK error

["Wilder Rodrigues (JIRA)" <ji...@apache.org>]

Wilder Rodrigues created CLOUDSTACK-8935:
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             Summary: Cannot remove rVPC networks due to RTNETLINK error
                 Key: CLOUDSTACK-8935
                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8935
             Project: CloudStack
          Issue Type: Bug
      Security Level: Public (Anyone can view this level - this is the default.)
          Components: Virtual Router
    Affects Versions: 4.6.0
            Reporter: Wilder Rodrigues
            Assignee: Wilder Rodrigues
            Priority: Critical


Sometimes, when trying to remove a network of a rVPC, I get the following error in the router logs:

2015-10-06 08:28:59,929 DEBUG [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-4:null) RTNETLINK answers: File existsRTNETLINK answers: File exists[WARN] update_config.py :: Reconfiguring guest netwo
rk...[INFO] update_config.py :: Processing Guest Network.[INFO] Processing JSON file guest_network.jsonTraceback (most recent call last):  File "/opt/cloud/bin/update_config.py", line 131, in <module>    process_
file()  File "/opt/cloud/bin/update_config.py", line 54, in process_file    finish_config()  File "/opt/cloud/bin/update_config.py", line 44, in finish_config    returncode = configure.main([])  File "/opt/cloud/
bin/configure.py", line 888, in main    dhcp.process()  File "/opt/cloud/bin/cs/CsDhcp.py", line 47, in process    self.configure_server()  File "/opt/cloud/bin/cs/CsDhcp.py", line 71, in configure_server    line
 = "dhcp-option=tag:interface-%s,6,%s" % (device, ','.join(gn.get_dns()))TypeError: sequence item 0: expected string, NoneType found


A way to work this around is:

1. Stop the backup router
2. Remove the network



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