Avoid suppressing underlying error when deploy.loadapp fails

Raise log level at the first load attempt. If there is a
fundamental problem with the environment, a Lookup error
is not helpful in troubleshooting the problem further.

Fix bug 1210236

Change-Id: I55aa11a0e5a37dbef3f0c1b55aa4c9c11bbf55d9
Merge "Avoid suppressing underlying error when deploy.loadapp fails"