Open Stack

Hello all,

I am going to deploye devstakv with networking-ovn, and I am following with
 the doc http://docs.openstack.org/developer/networking-ovn/testing.html

However, error occured in running stack.sh.

Traceback below here:

2016-03-14 08:14:44.729 | cd datapath/linux && make modules_install
2016-03-14 08:14:44.735 | make[1]: Entering directory
`/opt/stack/ovs/datapath/linux'
2016-03-14 08:14:44.735 | make -C
/lib/modules/3.10.0-327.10.1.el7.x86_64/build
M=/opt/stack/ovs/datapath/linux modules_install
2016-03-14 08:14:45.079 | make[2]: Entering directory
`/usr/src/kernels/3.10.0-327.10.1.el7.x86_64'
2016-03-14 08:14:45.098 |   INSTALL
/opt/stack/ovs/datapath/linux/openvswitch.ko
2016-03-14 08:14:45.148 | Can't read private key
2016-03-14 08:14:45.151 |   INSTALL
/opt/stack/ovs/datapath/linux/vport-geneve.ko
2016-03-14 08:14:45.183 | Can't read private key
2016-03-14 08:14:45.186 |   INSTALL
/opt/stack/ovs/datapath/linux/vport-gre.ko
2016-03-14 08:14:45.218 | Can't read private key
2016-03-14 08:14:45.220 |   INSTALL
/opt/stack/ovs/datapath/linux/vport-lisp.ko
2016-03-14 08:14:45.248 | Can't read private key
2016-03-14 08:14:45.250 |   INSTALL
/opt/stack/ovs/datapath/linux/vport-stt.ko
2016-03-14 08:14:45.278 | Can't read private key
2016-03-14 08:14:45.281 |   INSTALL
/opt/stack/ovs/datapath/linux/vport-vxlan.ko
2016-03-14 08:14:45.309 | Can't read private key
2016-03-14 08:14:45.322 |   DEPMOD  3.10.0-327.10.1.el7.x86_64
2016-03-14 08:14:45.668 | make[2]: Leaving directory
`/usr/src/kernels/3.10.0-327.10.1.el7.x86_64'
2016-03-14 08:14:45.669 | depmod `sed -n 's/#define UTS_RELEASE
"\([^"]*\)"/\1/p'
/lib/modules/3.10.0-327.10.1.el7.x86_64/build/include/generated/utsrelease.h`
2016-03-14 08:14:45.986 | make[1]: Leaving directory
`/opt/stack/ovs/datapath/linux'
2016-03-14 08:14:46.007 | modprobe: FATAL: Module openvswitch is in use.
2016-03-14 08:14:46.009 | Error on exit
2016-03-14 08:14:46.487 | ovs-vsctl:
unix:/usr/local/var/run/openvswitch/db.sock: database connection failed (No
such file or directory)
2016-03-14 08:14:46.498 | ovs-ofctl: br-int is not a bridge or a socket
2016-03-14 08:14:46.508 | ovs-ofctl: br-tun is not a bridge or a socket
2016-03-14 08:14:46.518 | ovs-ofctl: br-ex is not a bridge or a socket
2016-03-14 08:14:46.529 | ovs-ofctl: br-int is not a bridge or a socket
2016-03-14 08:14:46.540 | ovs-ofctl: br-tun is not a bridge or a socket
2016-03-14 08:14:46.551 | ovs-ofctl: br-ex is not a bridge or a socket

I know that in this process , stack.sh will install openvswitch when
processing neutron, then it will uninstall openvswitch and make && make
install openvswitch from ovs code source again.

Because of uninstalling of openvswitch, br-int and other brigeds loss from
ovs, so the new ovn process come accross the error that no bridges
br-int/br-ex/br-tun.

Is this a networking-ovn bug or a devstack bug?
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