Reset tasks specific to a network_plugin moved inside its role directory + Reset tasks specific to cilium

roles/network_plugin/flannel/tasks/reset.yml

@@ -0,0 +1,18 @@
+---
+- name: reset | check cni network device
+  stat:
+    path: /sys/class/net/cni0
+  register: cni
+
+- name: reset | remove the network device created by the flannel
+  command: ip link del cni0
+  when: cni.stat.exists
+
+- name: reset | check flannel network device
+  stat:
+    path: /sys/class/net/flannel.1
+  register: flannel
+
+- name: reset | remove the network device created by the flannel
+  command: ip link del flannel.1
+  when: flannel.stat.exists