Quick note that the Linux kernel 5.6.0 has an iwlwifi bug that will prevent network connectivity. [1]
A patch is out but did not make 5.6.0. This patch IS included in gentoo-sources-5.6.0. It will be in a future vanilla-sources 5.6.X once upstream releases a new version.
[1] https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.6-Broken-Intel-IWLWIFI