Thank you for testing the update!
Thanks for feedback!
The failure of dist.abicheck is expected and safe according to https://email@example.com/message/PHMNSXLG6UWXNR6WRDU6STELJAWVAK3E/.
This update is already in stable. The problem is that dnf's bug https://bugzilla.redhat.com/1566070 makes this fix ineffective on update. You can work around it by installing nss-pem manually:
# dnf install nss-pem-1.0.3-9.fc28
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bodhi-server 6.0.1 on
bodhi is Free Software.
if you have any problems. Read the documentation.