@WGB Here's a link I found, just curious why would you want to disable keeping the RTC in sync except on a clean shutdown? https://unix.stackexchange.com/questions/285129/switch-off-11-minute-kernel-mode Thank you! I'm interested in disabling the 11 minute sync mode because it seems to cause odd co...

Hello,

Unfortunately I'm not terribly familiar with Debian/Raspbian's networking stack, and I'm trying to set my Pi3 up with an IPv6-only network configuration. Is there an option in one of the configuration files I can adjust to stop it from acquiring an IPv4 via DHCP while leaving IPv6 alone?

@dfries Odd and quite possibly unrelated question, but do you happen to know how to disable the "11 minute" rtc kernel time sync mode? I'd rather have the RTC only updated from the system clock at shutdown, but I'm not sure it's possible...

This a huge help, I had a heck of a time trying to figure out why it would stop syncing with the RTC periodically. The udev rule takes care of that perfectly.