diff --git a/zuul.d/base-nested-switch.yaml b/zuul.d/base-nested-switch.yaml
index f92b08b..df40e21 100644
--- a/zuul.d/base-nested-switch.yaml
+++ b/zuul.d/base-nested-switch.yaml
@@ -19,10 +19,11 @@
     vars:
       devstack_localrc:
         LIBVIRT_TYPE: kvm
-        LIBVIRT_CPU_MODE: host-passthrough
-        CIRROS_VERSION: 0.5.1
-        DEFAULT_IMAGE_NAME: cirros-0.5.1-x86_64-disk
-        DEFAULT_IMAGE_FILE_NAME: cirros-0.5.1-x86_64-disk.img
+        # cirros 0.6.1 not booting when host-passthrough is used
+        # LIBVIRT_CPU_MODE: host-passthrough
+        CIRROS_VERSION: 0.6.1
+        DEFAULT_IMAGE_NAME: cirros-0.6.1-x86_64-disk
+        DEFAULT_IMAGE_FILE_NAME: cirros-0.6.1-x86_64-disk.img
 
 # Base nested switch job for EM releases
 - job:
diff --git a/zuul.d/master_jobs.yaml b/zuul.d/master_jobs.yaml
index 93c8fe2..cedb13b 100644
--- a/zuul.d/master_jobs.yaml
+++ b/zuul.d/master_jobs.yaml
@@ -27,9 +27,9 @@
         NETWORK_API_EXTENSIONS: "{{ (network_api_extensions_common + network_api_extensions_tempest) | join(',') }}"
         PHYSICAL_NETWORK: public
         IMAGE_URLS: https://cloud-images.ubuntu.com/minimal/releases/focal/release/ubuntu-20.04-minimal-cloudimg-amd64.img
-        CIRROS_VERSION: 0.5.1
-        DEFAULT_IMAGE_NAME: cirros-0.5.1-x86_64-uec
-        DEFAULT_IMAGE_FILE_NAME: cirros-0.5.1-x86_64-uec.tar.gz
+        CIRROS_VERSION: 0.6.1
+        DEFAULT_IMAGE_NAME: cirros-0.6.1-x86_64-uec
+        DEFAULT_IMAGE_FILE_NAME: cirros-0.6.1-x86_64-uec.tar.gz
         ADVANCED_IMAGE_NAME: ubuntu-20.04-minimal-cloudimg-amd64
         ADVANCED_INSTANCE_TYPE: ntp_image_256M
         ADVANCED_INSTANCE_USER: ubuntu
@@ -724,9 +724,9 @@
         USE_PYTHON3: true
         NETWORK_API_EXTENSIONS: "{{ (network_api_extensions_common + network_api_extensions_dvr) | join(',') }}"
         PHYSICAL_NETWORK: default
-        CIRROS_VERSION: 0.5.1
-        DEFAULT_IMAGE_NAME: cirros-0.5.1-x86_64-uec
-        DEFAULT_IMAGE_FILE_NAME: cirros-0.5.1-x86_64-uec.tar.gz
+        CIRROS_VERSION: 0.6.1
+        DEFAULT_IMAGE_NAME: cirros-0.6.1-x86_64-uec
+        DEFAULT_IMAGE_FILE_NAME: cirros-0.6.1-x86_64-uec.tar.gz
         IMAGE_URLS: https://cloud-images.ubuntu.com/minimal/releases/focal/release/ubuntu-20.04-minimal-cloudimg-amd64.img
         ADVANCED_IMAGE_NAME: ubuntu-20.04-minimal-cloudimg-amd64
         ADVANCED_INSTANCE_TYPE: ntp_image_256M
@@ -968,6 +968,11 @@
         - flow_classifier
         - sfc
       devstack_localrc:
+        # TODO(slaweq): check why traceroute output is different in Cirros >
+        # 0.6.1 which is causing failures of the networking-sfc jobs
+        CIRROS_VERSION: 0.5.1
+        DEFAULT_IMAGE_NAME: cirros-0.5.1-x86_64-uec
+        DEFAULT_IMAGE_FILE_NAME: cirros-0.5.1-x86_64-uec.tar.gz
         Q_AGENT: openvswitch
         Q_ML2_TENANT_NETWORK_TYPE: vxlan
         Q_ML2_PLUGIN_MECHANISM_DRIVERS: openvswitch