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CONTAP-158564: Cluster is indicating "l2_reachability" for the cluster ports or data ports.

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Issue

Cluster is indicating "l2_reachability" for the cluster ports or data ports:
-Cluster ports log:
--[xxxxxxxxx: vifmgr: vifmgr.port.monitor.failed:error]: The "l2_reachability" health check for port e0c (node xxxxxx) has failed. The port is operating in a degraded state.
--[xxxxxxxxxxx: vifmgr: vifmgr.port.monitor.passed:notice]: The "l2_reachability" health check for port e0c (node xxxxxxx) has passed.
--[xxxxxxxx: vifmgr: vifmgr.port.monitor.failed:error]: The "l2_reachability" health check for port e0b (node xxxxxxxxx) has failed. The port is operating in a degraded state.
--[xxxxxxxxxx: vifmgr: callhome.clus.net.degraded:alert]: Call home for CLUSTER NETWORK DEGRADED: Insufficient L2 Reachability - Insufficient L2 Reachability detected from cluster port e0b on node xxxxxxxxx.

-Data ports log:

--[xxxxxxxxx: kernel: netif.linkDown:info]: Ethernet e0c: Link down, check cable.
--[xxxxxxxxx: intr: netif.linkDown:info]: Ethernet e0c-xxx: Link down, check cable.
--[xxxxxxxxx: vifmgr: vifmgr.portdown:notice]: A link down event was received on node xxxxxxxxx, port e0c.
--[xxxxxxxxx: vifmgr: vifmgr.portdown:notice]: A link down event was received on node xxxxxxxxx, port e0c-xxx.
--[xxxxxxxxx: vifmgr: vifmgr.lifmoved.linkdown:notice]: LIF lif_name (on virtual server xx), IP address x.x.x.x, is being moved to node xxxxxxxxx, port e0c-xxx.
--[xxxxxxxxx: vifmgr: vifmgr.port.monitor.passed:notice]: The "l2_reachability" health check for port e0d-xxx (node xxxxxxxxx) has passed.

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