Werk #13996: Remove unresolved macros for additional IPs

Component

Checks & agents

Title

Remove unresolved macros for additional IPs

Date

Apr 12, 2022

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.2.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0b6	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0p23	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

In case you're using the active check_icmp and ping all IP addresses, you may see the following issue:

(3, u'check_icmp: Failed to resolve $: Name or service not known')

This is caused by the fact the a host hasn't set additional IP addresses.