No.

I suggest you find out what program is invoking ovs-vsctl and go from
there.

On Sun, Aug 24, 2014 at 12:00:29PM -0700, Krishna Sagiraju wrote:
> Thanks for the response, Ben.
> 
> Actually I did try disabling all OpenStack Icehouse services - nova
> and neutron. But, I still see the messages and events. Restarting
> /etc/init.d/openvswitch service or executing "ovs-ctl
> force-reload-kmod" almost always stops the spew, but that could be
> for a totally different reason. I did say, "almost always" because,
> sometimes force-reload-kmod doesn't help either unless I reboot the
> box.  And even after a reboot, I can reproduce the problem
> consistently by just executing "ovs-ctl force-reload-kmod".
> 
> Do you have any insights on what other services could be a suspect?
> 
> --Krishna/.
> 
> On 8/24/14, 11:39 AM, Ben Pfaff wrote:
> >On Sun, Aug 24, 2014 at 06:02:06AM -0700, Krishna Sagiraju wrote:
> >>I am running into a problem with openvswith and would greatly
> >>appreciate help/suggestions from experts.
> >>
> >>I installed openvswitch-1.11.0_8ce28d-1.el6ost.x86_64 on CentOS 6.5
> >>running Icehouse and as soon as the openvswitch kernel module is
> >>loaded, I get a flood of the following messages in
> >>/var/log/messages:
> >>
> >>Aug 22 15:23:55 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --if-exists del-br br-eth1
> >>Aug 22 15:23:55 host kernel: device br-eth1 left promiscuous mode
> >>Aug 22 15:23:55 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --may-exist add-br br-eth1
> >>Aug 22 15:23:55 host kernel: device br-eth1 entered promiscuous mode
> >>Aug 22 15:23:56 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --if-exists del-br br-eth1
> >>Aug 22 15:23:56 host kernel: device br-eth1 left promiscuous mode
> >>Aug 22 15:23:56 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --may-exist add-br br-eth1
> >>Aug 22 15:23:56 host kernel: device br-eth1 entered promiscuous mode
> >>Aug 22 15:23:56 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --if-exists del-br br-eth1
> >>Aug 22 15:23:56 host kernel: device br-eth1 left promiscuous mode
> >>Aug 22 15:23:56 host ovs-vsctl: ovs|00001|vsctl|INFO|Called as
> >>ovs-vsctl -t 10 -- --may-exist add-br br-eth1
> >>
> >>I traced those messages to udev trying to toggle the interface up
> >>and down rapidly. Here's a sample of the events received by UDEV:
> >>
> >>[root@host ~]# udevadm monitor
> >>monitor will print the received events for:
> >>UDEV - the event which udev sends out after rule processing
> >>KERNEL - the kernel uevent
> >>
> >>KERNEL[1408843389.801627] remove
> >>/devices/virtual/net/br-eth1/queues/rx-0 (queues)
> >>KERNEL[1408843389.801667] remove
> >>/devices/virtual/net/br-eth1/queues/tx-0 (queues)
> >>KERNEL[1408843389.801742] remove   /devices/virtual/net/br-eth1 (net)
> >>UDEV  [1408843389.820986] remove   /devices/virtual/net/br-eth1 (net)
> >>KERNEL[1408843389.870369] add      /devices/virtual/net/br-eth1 (net)
> >>KERNEL[1408843389.870391] add
> >>/devices/virtual/net/br-eth1/queues/rx-0 (queues)
> >>KERNEL[1408843389.870401] add
> >>/devices/virtual/net/br-eth1/queues/tx-0 (queues)
> >>UDEV  [1408843389.940706] add      /devices/virtual/net/br-eth1 (net)
> >>UDEV  [1408843389.940944] add
> >>/devices/virtual/net/br-eth1/queues/tx-0 (queues)
> >>UDEV  [1408843389.940959] add
> >>/devices/virtual/net/br-eth1/queues/rx-0 (queues)
> >>UDEV  [1408843389.941067] remove
> >>/devices/virtual/net/br-eth1/queues/tx-0 (queues)
> >>UDEV  [1408843389.941082] remove
> >>/devices/virtual/net/br-eth1/queues/rx-0 (queues)
> >>KERNEL[1408843390.088915] remove
> >>/devices/virtual/net/br-eth1/queues/rx-0 (queues)
> >>KERNEL[1408843390.088941] remove
> >>/devices/virtual/net/br-eth1/queues/tx-0 (queues)
> >>KERNEL[1408843390.089002] remove   /devices/virtual/net/br-eth1 (net)
> >>UDEV  [1408843390.105143] remove   /devices/virtual/net/br-eth1 (net)
> >>
> >>
> >>I would appreciate any advice and/or any workarounds to alleviate
> >>the issue. Once again, thanks for the help in advance
> >The problem is that you have some software creating and deleting devices
> >rapidly.  Open vSwitch isn't doing that on its own, so you will have to
> >figure out what is.
> 
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