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[men <1789844@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

openstack Q
[root@compute ~]# cat /etc/redhat-release 
CentOS Linux release 7.5.1804 (Core)

[root@compute ~]# uname -r
4.18.5-1.el7.elrepo.x86_64

[root@compute ~]# ovs-vswitchd -V
ovs-vswitchd (Open vSwitch) 2.9.0
DPDK 17.11.0


1、Flat network is normal
2、Vxlan port is not created？Is it related to the kernel version?

[root@compute ~]# ovs-appctl dpif/show
system@ovs-system: hit:182292 missed:2077
        br-int:
                br-int 65534/1: (internal)
                int-br-provider 1/none: (patch: peer=phy-br-provider)
                patch-tun 2/none: (patch: peer=patch-int)
                qvobcafce85-89 4/3: (system)
        br-provider:
                br-provider 65534/5: (internal)
                ens224 2/4: (system)
                phy-br-provider 1/none: (patch: peer=int-br-provider)
        br-tun:
                br-tun 65534/2: (internal)
                patch-int 1/none: (patch: peer=patch-tun)

[root@compute ~]# ovs-vsctl show
9c3e2d45-cd47-4718-8adc-b899828c28f5
    Manager "ptcp:6640:127.0.0.1"
        is_connected: true
    Bridge br-tun
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port br-tun
            Interface br-tun
                type: internal
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-provider
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port br-provider
            Interface br-provider
                type: internal
        Port "ens224"
            Interface "ens224"
        Port phy-br-provider
            Interface phy-br-provider
                type: patch
                options: {peer=int-br-provider}
    Bridge br-int
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "qvobcafce85-89"
            tag: 2
            Interface "qvobcafce85-89"
        Port br-int
            Interface br-int
                type: internal
        Port int-br-provider
            Interface int-br-provider
                type: patch
                options: {peer=phy-br-provider}
    ovs_version: "2.9.0"

** Affects: neutron
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1789844

Title:
  vxlan not work

Status in neutron:
  New

Bug description:
  openstack Q
  [root@compute ~]# cat /etc/redhat-release 
  CentOS Linux release 7.5.1804 (Core)

  [root@compute ~]# uname -r
  4.18.5-1.el7.elrepo.x86_64

  [root@compute ~]# ovs-vswitchd -V
  ovs-vswitchd (Open vSwitch) 2.9.0
  DPDK 17.11.0

  
  1、Flat network is normal
  2、Vxlan port is not created？Is it related to the kernel version?

  [root@compute ~]# ovs-appctl dpif/show
  system@ovs-system: hit:182292 missed:2077
          br-int:
                  br-int 65534/1: (internal)
                  int-br-provider 1/none: (patch: peer=phy-br-provider)
                  patch-tun 2/none: (patch: peer=patch-int)
                  qvobcafce85-89 4/3: (system)
          br-provider:
                  br-provider 65534/5: (internal)
                  ens224 2/4: (system)
                  phy-br-provider 1/none: (patch: peer=int-br-provider)
          br-tun:
                  br-tun 65534/2: (internal)
                  patch-int 1/none: (patch: peer=patch-tun)

  [root@compute ~]# ovs-vsctl show
  9c3e2d45-cd47-4718-8adc-b899828c28f5
      Manager "ptcp:6640:127.0.0.1"
          is_connected: true
      Bridge br-tun
          Controller "tcp:127.0.0.1:6633"
              is_connected: true
          fail_mode: secure
          Port br-tun
              Interface br-tun
                  type: internal
          Port patch-int
              Interface patch-int
                  type: patch
                  options: {peer=patch-tun}
      Bridge br-provider
          Controller "tcp:127.0.0.1:6633"
              is_connected: true
          fail_mode: secure
          Port br-provider
              Interface br-provider
                  type: internal
          Port "ens224"
              Interface "ens224"
          Port phy-br-provider
              Interface phy-br-provider
                  type: patch
                  options: {peer=int-br-provider}
      Bridge br-int
          Controller "tcp:127.0.0.1:6633"
              is_connected: true
          fail_mode: secure
          Port patch-tun
              Interface patch-tun
                  type: patch
                  options: {peer=patch-int}
          Port "qvobcafce85-89"
              tag: 2
              Interface "qvobcafce85-89"
          Port br-int
              Interface br-int
                  type: internal
          Port int-br-provider
              Interface int-br-provider
                  type: patch
                  options: {peer=phy-br-provider}
      ovs_version: "2.9.0"

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