Werk #17630: Interface HW/SW inventory: handle "NOSUCHINSTANCE" reported by Calix E7

Component	Checks & agents
Title	Interface HW/SW inventory: handle "NOSUCHINSTANCE" reported by Calix E7
Date	Mar 13, 2025
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.5.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.4.0b1 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.3.0p29 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT 2.2.0p41 Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

This change prevents a crash when running the HW/SW inventory on the Calix E7 carrier switch.

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