When using link-local address we must specify the scope-id for the
address in order to bind to the interface.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
Show a little more details, remove some duplicated calls and remove the
macro compatibility with old debugging functions.
Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>