Bug 1858762

Summary: MTU of an ovs patch port is shown as 0
Product: Red Hat Enterprise Linux 8 Reporter: Mingyu Shi <mshi>
Component: nmstateAssignee: Fernando F. Mancera <ferferna>
Status: CLOSED ERRATA QA Contact: Mingyu Shi <mshi>
Severity: low Docs Contact:
Priority: low    
Version: 8.3CC: ferferna, fge, jiji, jishi, network-qe, till
Target Milestone: rc   
Target Release: 8.3   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: nmstate-0.3.4-3.el8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2020-11-04 03:08:54 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Mingyu Shi 2020-07-20 10:33:35 UTC
Description of problem:
MTU of an ovs patch port is shown as 0, as ip, mac and mtu are not supported on a patch port, it's better to make these unseen.

Version-Release number of selected component (if applicable):
nmstate-0.3.3-2.el8.noarch
NetworkManager-1.26.0-1.el8.x86_64
DISTRO=RHEL-8.3.0-20200716.n.0
Linux hp-dl388g8-04.rhts.eng.pek2.redhat.com 4.18.0-226.el8.x86_64 #1 SMP Wed Jul 15 07:40:39 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
openvswitch2.12-2.12.0-12.el8fdp.x86_64
openvswitch-selinux-extra-policy-1.0-19.el8fdp.noarch


How reproducible:
100%

Steps to Reproduce:
# cat ovs-patch.yaml 
---
interfaces:
- name: patch0
  type: ovs-interface
  state: up
  patch:
    peer: patch1
- name: ovs-br0
  type: ovs-bridge
  state: up
  bridge:
    options:
      stp: true
    port:
    - name: patch0
- name: patch1
  type: ovs-interface
  state: up
  patch:
    peer: patch0
- name: ovs-br1
  type: ovs-bridge
  state: up
  bridge:
    options:
      stp: true
    port:
    - name: patch1

1. nmstatectl set ovs-patch.yaml
2. nmstatectl show patch0
---
dns-resolver:
  config:
    search: []
    server: []
  running:
    search:
    - rhts.eng.pek2.redhat.com
    server:
    - 10.73.2.107
    - 10.73.2.108
    - 10.66.127.10
route-rules:
  config: []
routes:
  config: []
  running: []
interfaces:
- name: patch0
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  mtu: 0
  patch:
    peer: patch1


Actual results:


Expected results:


Additional info:

Comment 1 Fernando F. Mancera 2020-07-25 23:22:21 UTC
Upstream patch: https://github.com/nmstate/nmstate/pull/1242

Comment 5 Mingyu Shi 2020-07-30 05:59:23 UTC
Verified with versions:
nmstate-0.3.4-3.el8.noarch
NetworkManager-1.26.0-2.el8.x86_64
DISTRO=RHEL-8.3.0-20200728.n.0
Linux hpe-dl380pgen8-02-vm-9.hpe2.lab.eng.bos.redhat.com 4.18.0-228.el8.x86_64 #1 SMP Mon Jul 27 06:05:31 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
openvswitch2.12-2.12.0-12.el8fdp.x86_64
openvswitch-selinux-extra-policy-1.0-19.el8fdp.noarch


No mtu property on patch port:
[13:55:27@hpe-dl380pgen8-02-vm-9 ~]0# nmstatectl show patch*
2020-07-30 13:55:36,419 root         WARNING  Failed to load plugin nmstate_plugin_ovsdb: No module named 'ovs'
---
dns-resolver:
  config:
    search: []
    server: []
  running:
    search:
    - hpe2.lab.eng.bos.redhat.com
    server:
    - 10.19.42.41
    - 10.11.5.19
    - 10.5.30.160
route-rules:
  config: []
routes:
  config: []
  running: []
interfaces:
- name: patch0-1
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch1-0
- name: patch0-2
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch2-0
- name: patch1-0
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch0-1
- name: patch1-2
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch2-1
- name: patch2-0
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch0-2
- name: patch2-1
  type: ovs-interface
  state: up
  ipv4:
    enabled: false
  ipv6:
    enabled: false
    autoconf: false
    dhcp: false
  lldp:
    enabled: false
  patch:
    peer: patch1-2

Comment 8 errata-xmlrpc 2020-11-04 03:08:54 UTC
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 (nmstate bug fix and enhancement update), 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/RHBA-2020:4696