New comment by Piraty on void-packages repository

https://github.com/void-linux/void-packages/issues/21234#issuecomment-617807465

Comment:
i start my systems with `cmdline= ... ipv6.disable=1` and had to add `ipv4only` to /etc/dhcpcd.conf, else it crashed after getting a lease from the router.
This wasn't required before and the logs of dhcpcd were pretty clear about why it crashed, so the fix was easy.