RHEL7.4: NFS client sees 'kernel: NFS: nfs4_discover_server_trunking unhandled error -512. Exiting with error EIO'

Solution In Progress - Updated -

Issue

I see the following messages when trying to mount an NFS share from my NFS client: kernel: NFS: nfs4_discover_server_trunking unhandled error -512. Exiting with error EIO

Environment

  • Red Hat Enterprise Linux 7.4 (NFS client)
    • seen on kernel-3.10.0-693.el7
    • seen on nfs-utils-1.3.0-0.48.el7.x86_64

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