Improve logging of unhandled exception - make sure they aren't cut off
Improve logging of unhandled exception - make sure they aren't cut off

Signed-off-by: Robert Breker <bfcd7039ca4b92386f0756a1d5e67ea4ff23cfe0@citrix.com>

olivierlambert/xscontainer,xenserver/xscontainer,olivierlambert/xscontainer,robertbreker/xscontainer,xenserver/xscontainer,robertbreker/xscontainer