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[Bug 1863830] [NEW] Testing ERROR: "Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid -w timeout (must be greater than 0). QUITTING."

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: LIU Yulong <yulong@xxxxxxxxxxxxx>
Date: Wed, 19 Feb 2020 03:25:38 -0000
Reply-to: Bug 1863830 <1863830@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

Branch:
neutron master, HEAD: commit 7a0e5185c6cf7b5f8bcfe50576e86798947a7ba7

Exception:
      File "/home/yulong/github/neutron/neutron/agent/l3/dvr_edge_router.py", line 160, in initialize
        self._create_snat_namespace()
      File "/home/yulong/github/neutron/neutron/agent/l3/dvr_edge_router.py", line 181, in _create_snat_namespace
        self.snat_namespace.create()
      File "/home/yulong/github/neutron/neutron/agent/l3/dvr_snat_ns.py", line 32, in create
        super(SnatNamespace, self).create()
      File "/home/yulong/github/neutron/neutron/agent/l3/namespaces.py", line 95, in create
        ip_wrapper = self.ip_wrapper_root.ensure_namespace(self.name)
      File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 243, in ensure_namespace
        ip = self.netns.add(name)
      File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 696, in add
        'net.ipv4.conf.all.promote_secondaries=1'])
      File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 718, in execute
        run_as_root=run_as_root)
      File "/home/yulong/github/neutron/neutron/agent/linux/utils.py", line 147, in execute
        returncode=returncode)
    neutron_lib.exceptions.ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid -w timeout (must be greater than 0). QUITTING.
    

Upstream log search:
http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%20%5C%22Exit%20code%3A%202%3B%20Stdin%3A%20%3B%20Stdout%3A%20%3B%20Stderr%3A%20Ncat%3A%20Invalid%20-w%20timeout%20(must%20be%20greater%20than%200).%20QUITTING.%5C%22

local testing:
http://paste.openstack.org/show/789733/

** Affects: neutron
     Importance: Undecided
         Status: New

** Summary changed:

- Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid -w timeout (must be greater than 0). QUITTING.
+ Testing ERROR: "Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid -w timeout (must be greater than 0). QUITTING."

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https://bugs.launchpad.net/bugs/1863830

Title:
  Testing ERROR: "Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid
  -w timeout (must be greater than 0). QUITTING."

Status in neutron:
  New

Bug description:
  Branch:
  neutron master, HEAD: commit 7a0e5185c6cf7b5f8bcfe50576e86798947a7ba7

  Exception:
        File "/home/yulong/github/neutron/neutron/agent/l3/dvr_edge_router.py", line 160, in initialize
          self._create_snat_namespace()
        File "/home/yulong/github/neutron/neutron/agent/l3/dvr_edge_router.py", line 181, in _create_snat_namespace
          self.snat_namespace.create()
        File "/home/yulong/github/neutron/neutron/agent/l3/dvr_snat_ns.py", line 32, in create
          super(SnatNamespace, self).create()
        File "/home/yulong/github/neutron/neutron/agent/l3/namespaces.py", line 95, in create
          ip_wrapper = self.ip_wrapper_root.ensure_namespace(self.name)
        File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 243, in ensure_namespace
          ip = self.netns.add(name)
        File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 696, in add
          'net.ipv4.conf.all.promote_secondaries=1'])
        File "/home/yulong/github/neutron/neutron/agent/linux/ip_lib.py", line 718, in execute
          run_as_root=run_as_root)
        File "/home/yulong/github/neutron/neutron/agent/linux/utils.py", line 147, in execute
          returncode=returncode)
      neutron_lib.exceptions.ProcessExecutionError: Exit code: 2; Stdin: ; Stdout: ; Stderr: Ncat: Invalid -w timeout (must be greater than 0). QUITTING.
      

  Upstream log search:
  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%20%5C%22Exit%20code%3A%202%3B%20Stdin%3A%20%3B%20Stdout%3A%20%3B%20Stderr%3A%20Ncat%3A%20Invalid%20-w%20timeout%20(must%20be%20greater%20than%200).%20QUITTING.%5C%22

  local testing:
  http://paste.openstack.org/show/789733/

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