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[Hua Zhang <joshua.zhang@xxxxxxxxxxxxx>]

I can't reproduce this problem today, very lucky, all are running well.
but it's pity that I lost my last test env so that today I am using a
new test env and I can't compare the difference between two. But I
believe that's because my new test env has included the following patch.
thanks all

https://github.com/acassen/keepalived/commit/e90a633c34fbe6ebbb891aa98bf29ce579b8b45c

** Changed in: neutron
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1793102

Title:
  ha_vrrp_health_check_interval causes constantly VRRP transitions

Status in neutron:
  Invalid

Bug description:
  Commit 185d6cbc648fd041402a5034b04b818da5c7136e added support for
  keepalived VRRP health check, but it will cause constantly VRRP
  transitions if you actually enable the option
  ha_vrrp_health_check_interval.

  It seems to be because keepalived can't run ha_check_script_1.sh well,
  while we can run ha_check_script_1.sh well by hand.

  Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: /var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh exited with status 1
  Sep 18 08:19:41 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Script(ha_health_check_1) failed
  Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Instance(VR_1) Entering FAULT STATE
  Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Instance(VR_1) removing protocol Virtual Routes
  Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Instance(VR_1) removing protocol VIPs.
  Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Instance(VR_1) removing protocol E-VIPs.
  Sep 18 08:19:43 juju-23f84c-queens-dvr-5 Keepalived_vrrp[8448]: VRRP_Instance(VR_1) Now in FAULT state

  root@juju-23f84c-queens-dvr-5:~# ll /var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh
  -r-x-w---- 1 neutron neutron 109 Sep 18 03:45 /var/lib/neutron/ha_confs/909c6b55-9bc6-476f-9d28-c32d031c41d7/ha_check_script_1.sh*

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