[Bug 1352570] Re: ovs-vswitchd crashed with SIGSEGV in nl_attr_get_size()

[Ryan Beisner]

Update, fyi:
Nova booted 110 instances.  16 had no net.
Deleted the instances.
Nova booted 110 more instances.  17 had no net.
Deleted the instances.
Consistent with the ~15% no net we saw last time around.
v
Deleted neutron nets and subnets, then re-added them.
^
Nova booted 110 instances.  All had network.
Deleted the instances.
Nova booted 110 instances.  All had network.
Deleted the instances.

Turned our CI engine back on (which will use this undercloud to
instantiate a few hundred short-lived instances per day to test other
code such as juju charms).

I predict recurrence in about 20K instances, short of a solid lead on a
fix.

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https://bugs.launchpad.net/bugs/1352570

Title:
  ovs-vswitchd crashed with SIGSEGV in nl_attr_get_size()

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