Support for Slirp4netns will probably be removed in Podman 6

[eriksjolund]

Issue description

Support for Slirp4netns will probably be removed in Podman 6

Slirp4netns is used here

nessie/catalog/bin/common.sh

Lines 27 to 29 in 8a52cac

	podman)
	CONTAINER_HOST=host.containers.internal
	DOCKER_RUN_OPTS="--network slirp4netns:allow_host_loopback=true"

For details, see Podman 6 High Level Design

[dimas-b]

Thanks for the heads up, @eriksjolund !