Description of problem: [OVS} OVS daemon got segfault when virsh start <guest>

[root@netqe9 ~]# gdb -p 108362
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-114.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Attaching to process 108362
Reading symbols from /usr/sbin/ovs-vswitchd...Reading symbols from /usr/lib/debug/usr/sbin/ovs-vswitchd.debug...done.
done.
Reading symbols from /usr/lib64/openvswitch/librte_bitratestats.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_bitratestats.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_bitratestats.so.2
Reading symbols from /usr/lib64/openvswitch/librte_bus_pci.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_bus_pci.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_bus_pci.so.1
Reading symbols from /usr/lib64/openvswitch/librte_bus_vdev.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_bus_vdev.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_bus_vdev.so.1
Reading symbols from /usr/lib64/openvswitch/librte_cmdline.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_cmdline.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_cmdline.so.2
Reading symbols from /usr/lib64/openvswitch/librte_eal.so.6...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_eal.so.6.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_eal.so.6
Reading symbols from /usr/lib64/openvswitch/librte_efd.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_efd.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_efd.so.1
Reading symbols from /usr/lib64/openvswitch/librte_ethdev.so.8...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_ethdev.so.8.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_ethdev.so.8
Reading symbols from /usr/lib64/openvswitch/librte_eventdev.so.3...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_eventdev.so.3.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_eventdev.so.3
Reading symbols from /usr/lib64/openvswitch/librte_gro.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_gro.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_gro.so.1
Reading symbols from /usr/lib64/openvswitch/librte_gso.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_gso.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_gso.so.1
Reading symbols from /usr/lib64/openvswitch/librte_hash.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_hash.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_hash.so.2
Reading symbols from /usr/lib64/openvswitch/librte_ip_frag.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_ip_frag.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_ip_frag.so.1
Reading symbols from /usr/lib64/openvswitch/librte_kvargs.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_kvargs.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_kvargs.so.1
Reading symbols from /usr/lib64/openvswitch/librte_latencystats.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_latencystats.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_latencystats.so.1
Reading symbols from /usr/lib64/openvswitch/librte_mbuf.so.3...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_mbuf.so.3.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_mbuf.so.3
Reading symbols from /usr/lib64/openvswitch/librte_member.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_member.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_member.so.1
Reading symbols from /usr/lib64/openvswitch/librte_mempool.so.3...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_mempool.so.3.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_mempool.so.3
Reading symbols from /usr/lib64/openvswitch/librte_mempool_octeontx.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_mempool_octeontx.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_mempool_octeontx.so.1
Reading symbols from /usr/lib64/openvswitch/librte_mempool_ring.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_mempool_ring.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_mempool_ring.so.1
Reading symbols from /usr/lib64/openvswitch/librte_mempool_stack.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_mempool_stack.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_mempool_stack.so.1
Reading symbols from /usr/lib64/openvswitch/librte_meter.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_meter.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_meter.so.1
Reading symbols from /usr/lib64/openvswitch/librte_metrics.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_metrics.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_metrics.so.1
Reading symbols from /usr/lib64/openvswitch/librte_net.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_net.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_net.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pci.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pci.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pci.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pdump.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pdump.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pdump.so.2
Reading symbols from /usr/lib64/openvswitch/librte_pmd_bnxt.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_bnxt.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_bnxt.so.2
Reading symbols from /usr/lib64/openvswitch/librte_pmd_e1000.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_e1000.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_e1000.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_enic.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_enic.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_enic.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_failsafe.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_failsafe.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_failsafe.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_i40e.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_i40e.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_i40e.so.2
Reading symbols from /usr/lib64/openvswitch/librte_pmd_ixgbe.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_ixgbe.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_ixgbe.so.2
Reading symbols from /usr/lib64/openvswitch/librte_pmd_mlx4.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_mlx4.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_mlx4.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_mlx5.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_mlx5.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_mlx5.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_nfp.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_nfp.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_nfp.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_qede.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_qede.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_qede.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_ring.so.2...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_ring.so.2.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_ring.so.2
Reading symbols from /usr/lib64/openvswitch/librte_pmd_virtio.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_pmd_virtio.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_virtio.so.1
Reading symbols from /usr/lib64/openvswitch/librte_ring.so.1...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_ring.so.1.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_ring.so.1
Reading symbols from /usr/lib64/openvswitch/librte_vhost.so.4...Reading symbols from /usr/lib/debug/usr/lib64/openvswitch/librte_vhost.so.4.debug...done.
done.
Loaded symbols for /usr/lib64/openvswitch/librte_vhost.so.4
Reading symbols from /lib64/libofproto-2.10.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libofproto-2.10.so.0.0.0.debug...done.
done.
Loaded symbols for /lib64/libofproto-2.10.so.0
Reading symbols from /lib64/libsflow-2.10.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libsflow-2.10.so.0.0.0.debug...done.
done.
Loaded symbols for /lib64/libsflow-2.10.so.0
Reading symbols from /lib64/libopenvswitch-2.10.so.0...Reading symbols from /usr/lib/debug/usr/lib64/libopenvswitch-2.10.so.0.0.0.debug...done.
done.
Loaded symbols for /lib64/libopenvswitch-2.10.so.0
Reading symbols from /lib64/libssl.so.10...Reading symbols from /lib64/libssl.so.10...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libssl.so.10
Reading symbols from /lib64/libcrypto.so.10...Reading symbols from /lib64/libcrypto.so.10...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libcrypto.so.10
Reading symbols from /lib64/libcap-ng.so.0...Reading symbols from /lib64/libcap-ng.so.0...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libcap-ng.so.0
Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done.
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[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Loaded symbols for /lib64/libpthread.so.0
Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/librt.so.1
Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libm.so.6
Reading symbols from /lib64/libunbound.so.2...Reading symbols from /lib64/libunbound.so.2...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libunbound.so.2
Reading symbols from /lib64/libnuma.so.1...Reading symbols from /lib64/libnuma.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libnuma.so.1
Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libdl.so.2
Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libgcc_s.so.1
Reading symbols from /lib64/libgssapi_krb5.so.2...Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libgssapi_krb5.so.2
Reading symbols from /lib64/libkrb5.so.3...Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5.so.3
Reading symbols from /lib64/libcom_err.so.2...Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libcom_err.so.2
Reading symbols from /lib64/libk5crypto.so.3...Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libk5crypto.so.3
Reading symbols from /lib64/libz.so.1...Reading symbols from /lib64/libz.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libz.so.1
Reading symbols from /lib64/libevent-2.0.so.5...Reading symbols from /lib64/libevent-2.0.so.5...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libevent-2.0.so.5
Reading symbols from /lib64/libpython2.7.so.1.0...Reading symbols from /lib64/libpython2.7.so.1.0...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libpython2.7.so.1.0
Reading symbols from /lib64/libkrb5support.so.0...Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5support.so.0
Reading symbols from /lib64/libkeyutils.so.1...Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libkeyutils.so.1
Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libresolv.so.2
Reading symbols from /lib64/libutil.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libutil.so.1
Reading symbols from /lib64/libselinux.so.1...Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libselinux.so.1
Reading symbols from /lib64/libpcre.so.1...Reading symbols from /lib64/libpcre.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libpcre.so.1
Reading symbols from /usr/lib64/openvswitch/librte_pmd_mlx4_glue.so.17.11.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_mlx4_glue.so.17.11.1
Reading symbols from /lib64/libibverbs.so.1...Reading symbols from /lib64/libibverbs.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libibverbs.so.1
Reading symbols from /lib64/libmlx4.so.1...Reading symbols from /lib64/libmlx4.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libmlx4.so.1
Reading symbols from /lib64/libnl-route-3.so.200...Reading symbols from /lib64/libnl-route-3.so.200...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libnl-route-3.so.200
Reading symbols from /lib64/libnl-3.so.200...Reading symbols from /lib64/libnl-3.so.200...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libnl-3.so.200
Reading symbols from /usr/lib64/openvswitch/librte_pmd_mlx5_glue.so.17.11.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/openvswitch/librte_pmd_mlx5_glue.so.17.11.1
Reading symbols from /lib64/libmlx5.so.1...Reading symbols from /lib64/libmlx5.so.1...(no debugging symbols found)...done.
(no debugging symbols found)...done.
Loaded symbols for /lib64/libmlx5.so.1
Reading symbols from /lib64/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libnss_files.so.2
0x00007f6cf4a8820d in poll () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install glibc-2.17-260.el7.x86_64 keyutils-libs-1.5.8-3.el7.x86_64 krb5-libs-1.15.1-33.el7.x86_64 libcap-ng-0.7.5-4.el7.x86_64 libcom_err-1.42.9-13.el7.x86_64 libevent-2.0.21-4.el7.x86_64 libgcc-4.8.5-36.el7.x86_64 libibverbs-17.2-3.el7.x86_64 libnl3-3.2.28-4.el7.x86_64 libselinux-2.5-14.1.el7.x86_64 numactl-libs-2.0.9-7.el7.x86_64 openssl-libs-1.0.2k-15.el7.x86_64 pcre-8.32-17.el7.x86_64 python-libs-2.7.5-75.el7.x86_64 unbound-libs-1.6.6-1.el7.x86_64 zlib-1.2.7-18.el7.x86_64
(gdb) c
Continuing.
[New Thread 0x7f6cfc1f8c80 (LWP 109070)]
[Thread 0x7f6cfc1f8c80 (LWP 109070) exited]
[New Thread 0x7f6cfc1f8c80 (LWP 109148)]
[Thread 0x7f6cfc1f8c80 (LWP 109148) exited]
[New Thread 0x7f6cfc1f8c80 (LWP 109153)]
[Thread 0x7f6cfc1f8c80 (LWP 109153) exited]
[New Thread 0x7f6cfc1f8c80 (LWP 109160)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7f6cb5ffb700 (LWP 108413)]
0x00007f6cf6b95f53 in qva_to_vva (dev=0x7f69bfffe740, qva=0, len=0x7f6cb5ffa4f0)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/vhost_user.c:373
373		for (i = 0; i < dev->mem->nregions; i++) {
(gdb) bt
#0  0x00007f6cf6b95f53 in qva_to_vva (dev=0x7f69bfffe740, qva=0, len=0x7f6cb5ffa4f0)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/vhost_user.c:373
#1  0x00007f6cf6b96253 in translate_ring_addresses (dev=dev@entry=0x7f69bfffe740, 
    vq_index=vq_index@entry=0)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/vhost_user.c:427
#2  0x00007f6cf6b96cae in vhost_user_set_vring_kick (pmsg=0x7f6cb5ffa7a0, 
    pdev=<synthetic pointer>)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/vhost_user.c:832
#3  vhost_user_msg_handler (vid=<optimized out>, fd=fd@entry=78)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/vhost_user.c:1445
#4  0x00007f6cf6b9424f in vhost_user_read_cb (connfd=78, dat=0x7f6c480008c0, 
    remove=0x7f6cb5ffa990)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/socket.c:292
#5  0x00007f6cf6b92c18 in fdset_event_dispatch (arg=0x7f6cf6da51c0 <vhost_user+8192>)
    at /usr/src/debug/openvswitch-2.10.0/dpdk-17.11/lib/librte_vhost/fd_man.c:276
#6  0x00007f6cf5780dd5 in start_thread () from /lib64/libpthread.so.0
#7  0x00007f6cf4a92ead in clone () from /lib64/libc.so.6
(gdb) quit
A debugging session is active.

	Inferior 1 [process 108362] will be detached.

Quit anyway? (y or n) y
Detaching from program: /usr/sbin/ovs-vswitchd, process 108362
[root@netqe9 ~]# 

NOTE: OVS-dpdk is running in dpdkvhostuserclient mode.

Version-Release number of selected component (if applicable):
[root@netqe9 ~]# rpm -q openvswitch2.10
openvswitch2.10-2.10.0-1.el7fdp.x86_64
[root@netqe9 ~]# rpm -qa | grep qemu
libvirt-daemon-driver-qemu-4.5.0-6.el7.x86_64
qemu-kvm-rhev-2.10.0-21.el7.x86_64
qemu-kvm-common-rhev-2.10.0-21.el7.x86_64
qemu-img-rhev-2.10.0-21.el7.x86_64
ipxe-roms-qemu-20170123-1.git4e85b27.el7_4.1.noarch
[root@netqe9 ~]# rpm -q libvirt
libvirt-4.5.0-6.el7.x86_64
[root@netqe9 ~]# !un
uname -a
Linux netqe9.knqe.lab.eng.bos.redhat.com 3.10.0-933.el7.x86_64 #1 SMP Sat Aug 11 11:32:57 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux
[root@netqe9 ~]# 


How reproducible: Reproducible


Steps to Reproduce:
1. Config an OVS-dpdk bridge with a vhost port in dpdkvhostuserclient mode
2. virsh start the guest
3.

Actual results:


Expected results:


Additional info: