The warning message currently shown can occur more frequently than previously
if a previous bitbake server is shutting down and we're reconnecting to a new
server. Change it to a note message to match the higher level connection
logging retry messages and so as not to interfer with selftests.
(Bitbake rev: b7514340cd6a2753eb217b059229bb279c3849ec)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>