Your rootfs udev net rules are Ok. That's how they are after modification. The behavior pointed to a copied rootfs, hence my suggestion.
You could try to create fresh rootfs from my thread, boot with it. If it works normally, then you know something is wrong in your current rootfs.
You could try to create fresh rootfs from my thread, boot with it. If it works normally, then you know something is wrong in your current rootfs.