Remove the network device created by the flannel (#2006)

* Remove the network device created by the flannel

Remove the network device created by the flannel

* Modify flannel.1 device path

Modify flannel.1 device path

* remove trailing spaces

roles/reset/tasks/main.yml

@@ -150,6 +150,34 @@
     - files
     - dns
 
+- name: reset | check cni network device
+  stat:
+    path: /sys/class/net/cni0
+  register: cni
+  when: kube_network_plugin == 'flannel'
+  tags:
+    - flannel
+
+- name: reset | remove the network device created by the flannel
+  command: ip link del cni0
+  when: kube_network_plugin == 'flannel' and cni.stat.exists
+  tags:
+    - flannel
+
+- name: reset | check flannel network device
+  stat:
+    path: /sys/class/net/flannel.1
+  register: flannel
+  when: kube_network_plugin == 'flannel'
+  tags:
+    - flannel
+
+- name: reset | remove the network device created by the flannel
+  command: ip link del flannel.1
+  when: kube_network_plugin == 'flannel' and flannel.stat.exists
+  tags:
+    - flannel
+
 - name: reset | Restart network
   service:
     name: >-