This bug was initially created as a copy of Bug #1797655 I am copying this bug because: Description of problem: In IPv6 bare metal deployment kubelet binds on a VIP instead of the local address. [root@master-1 core]# ip a s dev ens4 3: ens4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:50:be:71 brd ff:ff:ff:ff:ff:ff inet6 fd2e:6f44:5dd8:c956::5/128 scope global nodad deprecated noprefixroute valid_lft forever preferred_lft 0sec inet6 fd2e:6f44:5dd8:c956::2/128 scope global nodad deprecated noprefixroute valid_lft forever preferred_lft 0sec inet6 fd2e:6f44:5dd8:c956::134/128 scope global dynamic noprefixroute valid_lft 3378sec preferred_lft 3378sec inet6 fe80::5054:ff:fe50:be71/64 scope link noprefixroute valid_lft forever preferred_lft forever fd2e:6f44:5dd8:c956::5 and fd2e:6f44:5dd8:c956::2 are VIPs while fd2e:6f44:5dd8:c956::134 is the local address. root 3013 7.3 0.5 3525436 169596 ? Ssl Jan31 289:18 /usr/bin/hyperkube kubelet --config=/etc/kubernetes/kubelet.conf --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig --kubeconfig=/var/lib/kubelet/kubeconfig --container-runtime=remote --container-runtime-endpoint=/var/run/crio/crio.sock --node-labels=node-role.kubernetes.io/master,node.openshift.io/os_id=rhcos --node-ip :: --minimum-container-ttl-duration=6m0s --cloud-provider= --volume-plugin-dir=/etc/kubernetes/kubelet-plugins/volume/exec --v=3 kuberenets endpoints include the VIP: [kni@provisionhost-0 ~]$ oc get endpoints NAME ENDPOINTS AGE kubernetes [fd2e:6f44:5dd8:c956::5]:6443 2d17h Version-Release number of selected component (if applicable): 4.3.0-0.nightly-2020-01-29-114541-ipv6.1 How reproducible: 100% Steps to Reproduce: 1. Deploy bare metal env with IPv6 control plane 2. Check kubernetes endpoint Actual results: Include VIPs instead of interface local addresses. Expected results: Kubelet should bind on the local address. Additional info:
Verified on 4.4.0-0.ci-2020-03-11-095511 [kni@provisionhost-0 ~]$ oc get endpoints NAME ENDPOINTS AGE kubernetes [fd2e:6f44:5dd8:c956::112]:6443,[fd2e:6f44:5dd8:c956::11c]:6443,[fd2e:6f44:5dd8:c956::150]:6443 12h
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2020:0581