Bug 1578036

Environment:
os-net-config-9.2.1-0.20180831234441.c79a3ba.el7ost.noarch

[root@controller-2 ~]# ovs-vsctl show
e6c9595e-571a-495b-98f2-f7e36e9dd04c
    Manager "ptcp:6640:127.0.0.1"
        is_connected: true
    Bridge br-ex
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port "eth2"
            Interface "eth2"
        Port br-ex
            Interface br-ex
                type: internal
        Port phy-br-ex
            Interface phy-br-ex
                type: patch
                options: {peer=int-br-ex}
    Bridge br-baremetal
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port "phy-br-bae2b5d8"
            Interface "phy-br-bae2b5d8"
                type: patch
                options: {peer="int-br-bae2b5d8"}
        Port "eth0"
            Interface "eth0"
        Port br-baremetal
            Interface br-baremetal
                type: internal
    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 "vxlan-ac11021e"
            Interface "vxlan-ac11021e"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="172.17.2.21", out_key=flow, remote_ip="172.17.2.30"}
        Port "vxlan-ac110214"
            Interface "vxlan-ac110214"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="172.17.2.21", out_key=flow, remote_ip="172.17.2.20"}
        Port "vxlan-ac110211"
            Interface "vxlan-ac110211"
                type: vxlan
                options: {df_default="true", in_key=flow, local_ip="172.17.2.21", out_key=flow, remote_ip="172.17.2.17"}
        Port patch-int
            Interface patch-int
                type: patch
                options: {peer=patch-tun}
    Bridge br-int
        Controller "tcp:127.0.0.1:6633"
            is_connected: true
        fail_mode: secure
        Port br-int
            Interface br-int
                type: internal
        Port int-br-ex
            Interface int-br-ex
                type: patch
                options: {peer=phy-br-ex}
        Port patch-tun
            Interface patch-tun
                type: patch
                options: {peer=patch-int}
        Port "int-br-bae2b5d8"
            Interface "int-br-bae2b5d8"
                type: patch
                options: {peer="phy-br-bae2b5d8"}
    Bridge br-isolated
        fail_mode: standalone
        Port "vlan20"
            tag: 20
            Interface "vlan20"
                type: internal
        Port "vlan30"
            tag: 30
            Interface "vlan30"
                type: internal
        Port "vlan50"
            tag: 50
            Interface "vlan50"
                type: internal
        Port br-isolated
            Interface br-isolated
                type: internal
        Port "vlan40"
            tag: 40
            Interface "vlan40"
                type: internal
        Port "eth1"
            Interface "eth1"
    ovs_version: "2.10.0"
[root@controller-2 ~]# os-net-config -c /etc/os-net-config/config.json 
[root@controller-2 ~]# 
[root@controller-2 ~]# 
[root@controller-2 ~]# 
[root@controller-2 ~]# 
[root@controller-2 ~]# mv ovs-appctl ^C
[root@controller-2 ~]# which ovs-appctl 
/bin/ovs-appctl
[root@controller-2 ~]# mv /bin/ovs-appctl /bin/ovs-appctl_2
[root@controller-2 ~]# less /var/log/messages 
[root@controller-2 ~]# os-net-config -c /etc/os-net-config/config.json 
Traceback (most recent call last):
  File "/bin/os-net-config", line 10, in <module>
    sys.exit(main())
  File "/usr/lib/python2.7/site-packages/os_net_config/cli.py", line 259, in main
    obj = objects.object_from_json(iface_json)
  File "/usr/lib/python2.7/site-packages/os_net_config/objects.py", line 47, in object_from_json
    return OvsBridge.from_json(json)
  File "/usr/lib/python2.7/site-packages/os_net_config/objects.py", line 593, in from_json
    fail_mode=fail_mode)
  File "/usr/lib/python2.7/site-packages/os_net_config/objects.py", line 522, in __init__
    check_ovs_installed(self.__class__.__name__)
  File "/usr/lib/python2.7/site-packages/os_net_config/objects.py", line 218, in check_ovs_installed
    raise InvalidConfigException(msg)
os_net_config.objects.InvalidConfigException: OvsBridge cannot be created as OpenvSwitch is not installed.

The error in comment#5 is the expected output.
Verifying the bug.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2019:0045