Various improvements to logs-tee service
Various improvements to logs-tee service

* make socat unidirectional
* add debug environment variable
* increase transfer block size to maximum for IPv4 UDP
* use broadcasts instead of piping to tee

amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon,amazeeio/lagoon