* add UDP_STREAM and send size flags

* add flags and UDP_STREAM and pep fixes

* remove debug statements

* add flag to container_netperf

* added UDP STREAM results to tests

* add -M flag

* remove unnecessary line

* add comment justifying default size

* change to not in

* add upper and lower bounds to UDP send size

* revised comment

* remove -R 1 flag for TCP_STREAM, it is implicit

* remove line

Co-authored-by: Brandon Liu <[email protected]>