---running verify 
creddy verify, issuer: Coyote_ID.pem
               attribute cert: Acme_buy_rockets__Acme_preferred_customer_attr.xml
  issuer and attribute cert have mismatched principals
  issuer cert still valid
  attribute cert still valid
creddy verify, issuer: Acme_ID.pem
               attribute cert: Acme_buy_rockets__Acme_preferred_customer_attr.xml
  issuer and attribute cert have matching principals
  issuer cert still valid
  attribute cert still valid
28381:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:650:Expecting: CERTIFICATE
creddy: Can't load issuer cert from Acme_private.pem
creddy verify, issuer: Acme_private.pem
I/O warning : failed to load external entity "bad_attr.xml"
creddy verify, issuer: Acme_ID.pem
               attribute cert: bad_attr.xml
  fail to extract attribute cert but...
  issuer cert still valid
28383:error:0906D06C:PEM routines:PEM_read_bio:no start line:pem_lib.c:650:Expecting: CERTIFICATE
creddy: Can't load issuer cert from Acme_buy_rockets__Acme_preferred_customer_attr.xml
creddy verify, issuer: Acme_buy_rockets__Acme_preferred_customer_attr.xml
creddy: Can't load issuer cert from bad_attr.xml
creddy verify, issuer: bad_attr.xml
creddy verify, issuer: Coyote_ID.pem
  issuer cert still valid