On RHV host without IPv6 enabled, OVN fails to start

Solution Unverified - Updated -

Issue

If IPv6 is not enabled, vdsmd is unable to start as the udevadm settle command cannot complete successfully. The following error is evident in the vdsmd journal:

Feb 11 16:46:28 hypervisor001 vdsm[204550]: ERROR Command ['/sbin/udevadm', 'settle', '--timeout=20'] failed with rc=1 out='' err=''

Environment

RHV 4.2 using openvswitch and with IPv6 disabled

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