kasp system test sometimes create suspicious 00000 key id

I:kasp:check number of keys with algorithm 13 for zone step2.zsk-prepub.autosign in dir ns3 (299)
I:kasp:check key 49751
I:kasp:check key 00000
I:kasp:failed
I:kasp:check key 03140
I:kasp:error: No KEY2 found for zone step2.zsk-prepub.autosign
I:kasp:failed

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