Stack trace matches this issue, which is already fixed and has been merged into Origin. https://github.com/openshift/openshift-sdn/issues/222 https://github.com/openshift/origin/pull/6060 I'll set this ON_QA once we've built that version.
Verified this bug with openshift3/ose:v3.1.1.0 (b15ddd9d1e33) and openshift3/node:v3.1.1.0 (a4d48776b3a7), PASS. In this round of testing, no found node crash issue.
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-2016:0070