Add openvswitch gate issue with systemd 237-3ubuntu10.43 to
multinode also. Added code from [0].
Additionally, made changes to support 1.18.9 version of kubeadm.
[0] https://review.opendev.org/c/openstack/openstack-helm-infra/+/763619
Change-Id: I2681feb1029e5535f3f278513e8aece821c715f1