- try several wget's on well known IP addresses to check IP
connectivity (ping in hostnet mode is not good enough)
- try DNS lookup on a well known server
- add service-port-opener logs
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This will make it easier to add a vsock interface as well as a regular
TCP/IP one.
As a side-effect, the server is now able to handle more than one concurrent
request!
Signed-off-by: David Scott <dave.scott@docker.com>
