Created attachment 1758445 [details]
error log

Description of problem:
Get stuck when changing ovs-db external-ids.
More ovs types were modified, seems it is easier to reproduce.

Version-Release number of selected component (if applicable):
nmstate-1.0.2-1.el8.noarch
nispor-1.0.1-4.el8.x86_64
NetworkManager-1.30.0-0.10.el8.x86_64
openvswitch2.13-2.13.0-79.el8fdp.x86_64
nmstate-plugin-ovsdb-1.0.2-1.el8.noarch

How reproducible:
Very high

Steps to Reproduce:
cat << EOF > ovsdb.yaml
interfaces:
- name: ovs-br0
  type: ovs-bridge
  state: up
  bridge:
    port:
    - name: dummy0
    - name: patch0
    - name: patch1
    - name: veth0
    - name: ovsbond0
      link-aggregation:
        mode: balance-slb
        slaves:
        - name: veth1
        - name: ovs0
- name: dummy0
  type: dummy
  state: up
  ovs-db: 
    external_ids:
      this: one
- name: ovs0
  type: ovs-interface
  state: up
  ovs-db:
    external_ids:
      this: zero
- name: patch0
  type: ovs-interface
  state: up
  patch:
    peer: patch1
  ovs-db:
    external_ids:
      this: two
- name: patch1
  type: ovs-interface
  state: up
  patch:
    peer: patch0
EOF

cat << EOF > full_edit.yaml
interfaces:
- name: dummy0
  ovs-db:
    external_ids:
      this: I
- name: ovs-br0
  ovs-db:
    external_ids:
      this: new
- name: patch0
  ovs-db:
    external_ids:
      this: II
- name: patch1
  ovs-db:
    external_ids:
      this: III
- name: ovs0
  ovs-db:
    external_ids:
      this: IV
EOF

nmstatectl set ovsdb.yaml && nmstatectl set full_edit.yaml

Actual results:
Failed(stuck)

Expected results:
No failure

Additional info: