Created attachment 1733759 [details]
log

Description of problem:
Applying route rules with the same yaml file, sometimes failed.

Version-Release number of selected component (if applicable):
nmstate-1.0.0-0.1.el8.noarch
nispor-1.0.1-2.el8.x86_64
NetworkManager-1.30.0-0.2.el8.x86_64
DISTRO=RHEL-8.4.0-20201121.d.2
Linux hpe-dl380pgen8-02-vm-15.hpe2.lab.eng.bos.redhat.com 4.18.0-250.el8.dt4.x86_64 #1 SMP Sat Nov 21 03:48:46 EST 2020 x86_64 x86_64 x86_64 GNU/Linux


How reproducible:
about 70%

Steps to Reproduce:
1.
echo "---
interfaces:
  - name: dummy0
    type: dummy
    state: up
    ipv4:
      address:
      - ip: 10.1.1.1
        prefix-length: 24
      enabled: true
route-rules:
  config:
  - priority: 1000
    route-table: 50
    ip-to: 8.8.8.8/24
    ip-from: 3.3.3.3/24
  - priority: 1000
    route-table: 50
    ip-to: 8.8.8.8/24
  - priority: 1000
    route-table: 50
    ip-from: 3.3.3.3/24
routes:
  config:
  - destination: 0.0.0.0/0
    metric: 150
    next-hop-address: 10.1.1.254
    next-hop-interface: dummy0
    table-id: 50" | nmstatectl set

2. # if it is successful, remove dummy0 and repeat step 1
echo "interfaces:
- name: dummy0
  state: absent" | nmstatectl set
3.

Actual results:
Sometimes failed

Expected results:
Success

Additional info:
In the attachment, I tried 4 times and only the last one got success.