diff --git a/lisa/sut_orchestrator/libvirt/platform.py b/lisa/sut_orchestrator/libvirt/platform.py
index 2946385686..0686de2a7b 100644
--- a/lisa/sut_orchestrator/libvirt/platform.py
+++ b/lisa/sut_orchestrator/libvirt/platform.py
@@ -406,6 +406,16 @@ def _deploy_nodes(self, environment: Environment, log: Logger) -> None:
             ):
                 self._delete_nodes(environment, log)
 
+            self._log.debug("Capturing libvirtd log from host...")
+            self.host_node.execute(
+                cmd="journalctl -u libvirtd --no-page",
+                sudo=True,
+            )
+            self.host_node.execute(
+                cmd="cat /var/log/libvirt/libvirtd.log",
+                sudo=True,
+            )
+
             raise ex
 
     # Pre-determine all the nodes' properties, including the name of all the resouces
diff --git a/lisa/sut_orchestrator/libvirt/transformers.py b/lisa/sut_orchestrator/libvirt/transformers.py
index 99cb2cc0a3..690710bbbb 100644
--- a/lisa/sut_orchestrator/libvirt/transformers.py
+++ b/lisa/sut_orchestrator/libvirt/transformers.py
@@ -561,6 +561,18 @@ def _install_libvirt(runbook: schema.TypedSchema, node: Node, log: Logger) -> No
     log.info("Enabled libvirtd and virtnetworkd services")
     node.reboot(time_out=900)
     _wait_for_libvirtd(node)
+    if isinstance(node.os, CBLMariner):
+        # Some time we have seen 'default' nw of libvirt is not started
+        # start it in that case and mark it auto-start
+        node.execute(
+            cmd="virsh net-start default",
+            sudo=True,
+        )
+        node.execute(
+            cmd="virsh net-autostart default",
+            sudo=True,
+        )
+        log.info("Marked 'default' libvirt network as auto-start")
 
 
 def _wait_for_libvirtd(node: Node) -> None: