The pki pkcs12-import CLI has been modified not to import
certificates that already exist in the NSS database unless
specifically requested with the --overwrite parameter. This
will avoid changing the trust flags of the CA signing
certificate during KRA cloning.
The some other classes have been modified to provide better
debugging information.
https://fedorahosted.org/pki/ticket/2374
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Endi S. Dewata