The crashloop over and over. error: SDN node startup failed: failed to get network information: failed to parse ClusterNetwork CIDR : invalid CIDR address: danw indicated he sees the problem.
17:26 < danw> "oc edit clusternetwork default" and set the "network" and "hostsubnetlength" fields to match the values in clusterNetworks 17:26 < danw> it *might* re-break it every time you restart master though
Created attachment 1339473 [details] oc get clusternetwork default -o yaml
Created attachment 1339474 [details] journal of failed node start
Created attachment 1339478 [details] default clusternetwork after manual intervention note the trailing 'network' and 'hostsubnetlength' fields which match the CIDR.
https://github.com/openshift/origin/pull/16897
*** Bug 1499040 has been marked as a duplicate of this bug. ***
Setup 3.6 env openshift v3.6.173.0.56 kubernetes v1.6.1+5115d708d7 upgrade master to 3.7 openshift v3.7.0-0.176.0 kubernetes v1.7.6+a08f5eeb62 3.6 nodes could start normally with 3.7 master.
And the clusternetowrk works well too. # oc get node NAME STATUS AGE VERSION host-8-xxx.host.centralci.eng.rdu2.redhat.com Ready,SchedulingDisabled 2h v1.7.6+a08f5eeb62 host-8-yyy.host.centralci.eng.rdu2.redhat.com Ready 2h v1.6.1+5115d708d7 # oc get clusternetwork NAME CLUSTER NETWORKS SERVICE NETWORK PLUGIN NAME default 10.128.0.0/14:9 172.30.0.0/16 redhat/openshift-ovs-subnet
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/RHSA-2017:3188