Increase timeout to 120s for nmcli device disconnect

https://progress.opensuse.org/issues/170503 414565e

tests/microos/networkmanager.pm

@@ -22,8 +22,11 @@ sub ping_check {
     assert_script_run("ping -c 5 $net_config{'dns_server'}");
     # disconnect the device, skip the test on remote worker with ssh connection
     unless (is_s390x || is_vmware) {
-        # Increase timeout to 60s - poo#169726
-        assert_script_run("nmcli -w 60 device disconnect $nic_name");
+        # poo#169726 Increasing timeout to 120s and adding DEBUG logs for future investigation
+        script_run("nmcli general logging level DEBUG");
+        assert_script_run("nmcli -w 120 device disconnect $nic_name");
+        script_run("journalctl -u NetworkManager -b >> /var/log/nmcli_logs");
+        record_info("Logs", script_output("cat /var/log/nmcli_logs"));
         if (script_run("ping -c 5 $net_config{'dns_server'}") == 0) {
             die('The network is still up after disconnection');
         }