Sure, having a complete network on individual workers will waste a lot of memory. Just to add a bit more context to this request, this is the feature in question [link](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i...).
This blog post provides some good summary of the option and also explain the related IP_FREEBIND option: [link](https://oswalt.dev/2022/02/non-local-address-binds-in-linux/)