diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index b2b3411f2..58f8862e9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -88,13 +88,13 @@ jobs:
       matrix:
         go: ["1.22.x"]
         suite:
-          - "add"
-          - "instances"
-          - "basic"
-          - "recover"
+          #- "add"
+          #- "instances"
+          #- "basic"
+          #- "recover"
           - "interactive"
-          - "mismatch"
-          - "preseed"
+          #- "mismatch"
+          #- "preseed"
 
     steps:
       - name: Performance tuning
@@ -229,6 +229,9 @@ jobs:
           cd test
           sudo --preserve-env=DEBUG,GITHUB_ACTIONS,MICROCLOUD_DEBUG_PATH,MICROCLOUDD_DEBUG_PATH,SKIP_VM_LAUNCH,SNAPSHOT_RESTORE,TEST_STORAGE_SOURCE,TESTBED_READY ./main.sh ${{ matrix.suite }}
 
+      - name: Setup tmate session because failure detected
+        if: ${{ failure() }}
+        uses: mxschmitt/action-tmate@v3
   documentation-checks:
     uses: canonical/documentation-workflows/.github/workflows/documentation-checks.yaml@main
     with:
diff --git a/service/lxd.go b/service/lxd.go
index be0f60a8d..4edc0820b 100644
--- a/service/lxd.go
+++ b/service/lxd.go
@@ -557,7 +557,11 @@ func (s *LXDService) ValidateCephInterfaces(cephNetworkSubnetStr string, interfa
 			for _, addr := range iface.Addresses {
 				ip := net.ParseIP(addr)
 				if ip == nil {
-					return nil, fmt.Errorf("Invalid IP address: %v", addr)
+					// Attempt to parse the IP address as a CIDR.
+					ip, _, err = net.ParseCIDR(addr)
+					if err != nil {
+						return nil, fmt.Errorf("Could not parse either IP nor CIDR notation for address %q: %v", addr, err)
+					}
 				}
 
 				if (subnet.IP.To4() != nil && ip.To4() != nil && subnet.Contains(ip)) || (subnet.IP.To16() != nil && ip.To16() != nil && subnet.Contains(ip)) {
diff --git a/test/includes/microcloud.sh b/test/includes/microcloud.sh
index 615cb4ecb..5f10c6c25 100644
--- a/test/includes/microcloud.sh
+++ b/test/includes/microcloud.sh
@@ -134,7 +134,7 @@ ${IPV4_START}
 ${IPV4_END}
 ${IPV6_SUBNET}
 ${DNS_ADDRESSES}
-${setup_ovn_underlay}                                   # setup OVN underlay network
+${setup_ovn_underlay}
 $(true)                                                 # workaround for set -e
 "
 fi
diff --git a/test/main.sh b/test/main.sh
index d43ee656e..71f6ad259 100755
--- a/test/main.sh
+++ b/test/main.sh
@@ -95,7 +95,7 @@ TEST_CURRENT_DESCRIPTION=setup
 # shellcheck disable=SC2034
 TEST_RESULT=failure
 
-trap cleanup EXIT HUP INT TERM
+#trap cleanup EXIT HUP INT TERM
 
 # Import all the testsuites
 import_subdir_files suites
diff --git a/test/suites/basic.sh b/test/suites/basic.sh
index 54dc2b73b..4b281d64b 100644
--- a/test/suites/basic.sh
+++ b/test/suites/basic.sh
@@ -212,21 +212,21 @@ test_interactive() {
     validate_system_microovn "${m}"
   done
 
-  reset_systems 3 3 2
+  reset_systems 3 3 3
 
-  ovn_underlay_subnet_prefix="10.0.1"
-  ovn_underlay_subnet_iface="enp7s0"
+  ovn_underlay_subnet_prefix="10.3.123"
+  ovn_underlay_subnet_iface="enp8s0"
 
   for n in $(seq 2 4); do
     ovn_underlay_ip="${ovn_underlay_subnet_prefix}.${n}/24"
     lxc exec "micro0$((n-1))" -- ip addr add "${ovn_underlay_ip}" dev "${ovn_underlay_subnet_iface}"
   done
 
-  echo "Creating a MicroCloud with ZFS, OVN management network and OVN underlay network"
-  unset SETUP_CEPH
+  echo "Creating a MicroCloud with ZFS, Ceph storage with a fully disaggregated Ceph networking setup, OVN management network and OVN underlay network"
   export OVN_UNDERLAY_NETWORK="yes"
   export OVN_UNDERLAY_FILTER="${ovn_underlay_subnet_prefix}"
-  microcloud_interactive | lxc exec micro01 -- sh -c "microcloud init > out"
+  exit 1
+  microcloud_interactive | lxc exec micro01 -- sh -c "microcloud init 2>&1 tee out"
 
   lxc exec micro01 -- tail -1 out | grep "MicroCloud is ready" -q
   for m in micro01 micro02 micro03 ; do