[DNM] Add debbuging prints for reproducer dns

The fix for reproducer dns[1] does not seem to work in all instances,
trying to check the /etc/resolv.conf contents at differents to find
out when NetworkManager overrides it.

roles/reproducer/tasks/configure_crc.yml

@@ -43,6 +43,21 @@
           # Managed by ansible/cifmw
           nameserver {{ _crc.ip_v4 }}
 
+    - name: Reload NetworkManager to ensure it read the conf changes
+      become: true
+      ansible.builtin.service:
+        name: NetworkManager
+        state: "reloaded"
+
+    - name: Ensure resolv.conf was changed
+      ansible.builtin.slurp:
+        src: /etc/resolv.conf
+      register: _changed_resolv
+
+    - name: Show resolve.conf contents
+      ansible.builtin.debug:
+        msg: "{{ _changed_resolv['content'] | b64decode }}"
+
     - name: Check which dnsmasq config we must edit
       register: _dnsmasq
       ansible.builtin.stat:
@@ -84,10 +99,28 @@
             regexp: "listen-address={{ _crc.ip_v4 }}"
             replace: "listen-address={{ _crc.ip_v4 }},127.0.0.1"
 
+    - name: Check resolv.conf before reboot
+      ansible.builtin.slurp:
+        src: /etc/resolv.conf
+      register: _changed_resolv_before_reboot
+
+    - name: Show resolve.conf contents before reboot
+      ansible.builtin.debug:
+        msg: "{{ _changed_resolv_before_reboot['content'] | b64decode }}"
+
     - name: Reboot CRC node
       become: true
       ansible.builtin.reboot:
 
+    - name: Check resolv.conf after reboot
+      ansible.builtin.slurp:
+        src: /etc/resolv.conf
+      register: _changed_resolv_after_reboot
+
+    - name: Show resolve.conf contents after reboot
+      ansible.builtin.debug:
+        msg: "{{ _changed_resolv_after_reboot['content'] | b64decode }}"
+
 - name: Ensure hypervisor has the right CRC IP
   become: true
   vars: