varnishlog: if -m given, but no -c and -b, assume both
varnishlog: if -m given, but no -c and -b, assume both

If we don't add -c and -b in there, varnishlog will print all
transactions that aren't associated with a session.  That is likely to
not be what the user wants.

Fixes: #1071

ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish,ssm/pkg-varnish