Security Issues in Network Event Logging (syslog) Concluded WG

draft-ietf-netmod-syslog-model-26.txt:
xym 0.4:
Extracting 'ietf-syslog@2018-03-15.yang'
   Removed 0 empty lines
Extracting 'example-vendor-syslog-types'
   Getting YANG file name from module name: example-vendor-syslog-types.yang


ietf-syslog@2018-03-15.yang:
pyang 1.7.5: pyang --verbose --ietf -p {libs} {model}:
ietf-syslog@2018-03-15.yang:761: error: grouping "private-key-grouping" not found in module ietf-keystore
ietf-syslog@2018-03-15.yang:762: error: grouping "certificate-grouping" not found in module ietf-keystore

yanglint 0.14.80: yanglint --verbose -p {rfclib} -p {draftlib} -p {tmplib} {model} -i:
err : Failed to resolve uses "ks:private-key-grouping". (/ietf-syslog:syslog/actions/remote/destination/signing/cert-signers/cert-signer/cert/ks:private-key-grouping)
err : Failed to resolve uses "ks:certificate-grouping". (/ietf-syslog:syslog/actions/remote/destination/signing/cert-signers/cert-signer/cert/ks:certificate-grouping)
err : Module "ietf-syslog" parsing failed.