5125f1fc31
The current udp implementation listens on any for tcp, udp and tcp. There are some cases where it makes sense to listen on specific addresses (especially udp, see https://github.com/kubernetes/kubernetes/issues/95565). This is because UDP is connectionless, and in order to conntrack to work, the application must ensure that the src of the reply is the same as the dest of the request. The easiest way to do that is to bind explicitly on an ip. Here we pass an optional parameter that contains a comma separated list of addresses. Signed-off-by: Federico Paolinelli <fpaoline@redhat.com>