inject custom log related apptail errors into the app log stream
inject custom log related apptail errors into the app log stream

eg:
[...]
stackato.dea_ng.0: [SPAWNING_APP] Spawning app web process: python$PYTHON_VERSION app.py
stackato.apptail.0: WARN -- Ignoring inaccessible, nonexistent or insecure path /app/app/custom-no.log
stackato.apptail.0: WARN -- Ignoring inaccessible, nonexistent or insecure path /../../../../../../etc/passwd
app.0[stdout]: Running using: /opt/ActivePython-3.3/bin/python3.3
[...]

ref: Bug #101663

ActiveState/logyard,hpcloud/logyard