Bug-590: Packet loss on first time ping test

Bump severity of log in exception code path.
Undo copy and paste mistake, which caused unwanted line left behind.

Change-Id: If73e516635172e31e794cd1524611c1cdb15f89f
Signed-off-by: Flavio Fernandes <ffernand@redhat.com>
Merge "Bug-590: Packet loss on first time ping test"