The new version of rsyslog features oracle-db support using dev-db/oracle-instantclient-basic which isn't keyworded for arm. Please either keyword dev-db/oracle-instantclient-basic and re-keyword app-admin/rsyslog-5.4.0 or mask the oracle USE-flag for app-admin/rsyslog on arm and re-keyword app-admin/rsyslog-5.4.0 Thanks in advance!
~arm keyword restored, use.masked oracle.