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CHW-3751: IONIC 100G NIC becomes unresponsive causing panic

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ontap-9
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Issue

Node panics hours after partner node panicked during cluster switch firmware upgrade
PANIC: Process secd unresponsive for 180 seconds in process nodewatchdog on release 9.16.1P7 (C) on Thu Mar 12 05:11:13 CET 2026
Numerous vifmgr.rpc.nblade.timeouts:error messages seen in the EMS log
<118>[14607841] 3/12/2026 02:04:20  ntapM01-04       ERROR         vifmgr.rpc.nblade.timeouts: The virtual interface manager is not receiving responses from the node's networking component.
<118>[14607841] 3/12/2026 02:04:08  ntapM01-04       ERROR         vifmgr.reach.err: Network port e0b on node ntapM01-04 encountered errors while scanning for reachability. Reachability was detected to the following broadcast domains: -.
<118>[14607841] 3/12/2026 02:03:08  ntapM01-04       ERROR         vifmgr.reach.err: Network port e0a on node ntapM01-04 encountered errors while scanning for reachability. Reachability was detected to the following broadcast domains: -.
<118>[14607841] 3/12/2026 02:02:16  ntapM01-04       ERROR         vifmgr.rpc.nblade.timeouts: The virtual interface manager is not receiving responses from the node's networking component.
<118>[14607841] 3/12/2026 02:02:08  ntapM01-04       ERROR         vifmgr.reach.err: Network port e0M on node ntapM01-04 encountered errors while scanning for reachability. Reachability was detected to the following broadcast domains: -.
Dual 100G Ethernet Controller IONIC NIC is on firmware 1.4.0-E-114

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