Merge "Update cloud image Ubuntu18.04 mininet ovs"

diff --combined jjb/defaults.yaml
index a3edc2965a7b219a4353e9ac7de02474b1f5766c,79752284d662d9de4e099e18b7bf75dffc261c73..9a9ec3cfaeaeb0fe0c1cc211016805fda797c1c5
--- 1/jjb/defaults.yaml
--- 2/jjb/defaults.yaml
+++ b/jjb/defaults.yaml
@@@ -101,7 -101,7 +101,7 @@@
      # CSIT configuration
      odl_system_count: 1
      odl_system_flavor: "v3-standard-4"
 -    odl_system_image: "ZZCI - CentOS Stream 8 - builder - x86_64 - 20230401-160111.589"
 +    odl_system_image: "ZZCI - CentOS Stream 8 - builder - x86_64 - 20230501-160107.084"
      controller-max-mem: "2048m"
      openstack_system_count: 1
      openstack_system_flavor: "v3-standard-4"
@@@ -111,7 -111,7 +111,7 @@@
      openstack_system2_image: "ZZCI - CentOS 7 - devstack - x86_64 - 20230401-230106.445"
      tools_system_count: 1
      tools_system_flavor: "v3-standard-2"
-     tools_system_image: "ZZCI - Ubuntu 18.04 - mininet-ovs-28 - x86_64 - 20230401-180107.945"
+     tools_system_image: "ZZCI - Ubuntu 18.04 - mininet-ovs-28 - x86_64 - 20230501-180106.320"
      openstack_stein_system_image: "ZZCI - CentOS 7 - devstack-stein - x86_64 - 20221101-010107.368"
      openstack_rocky_system_image: "ZZCI - CentOS 7 - devstack-rocky - x86_64 - 20221101-000109.537"