[gentoo-user] app-emulation/docker with Linode kernel

[Matt Connell (Gmail)]

I use docker, on a Gentoo system, running on a Linode-hosted VPS, with
their kernel.  I rely heavily on docker, with ~10 containers providing
various services at any given time.

Lately, I've had a couple of incidents of the system becoming
unresponsive, and I believe it is docker-related.

When I emerge docker, portage gives me the following warnings/errors:

> *   CONFIG_RT_GROUP_SCHED: is not set when it should be.
> *   CONFIG_IPVLAN: is not set when it should be.
> *   CONFIG_OVERLAY_FS_REDIRECT_DIR: should not be set. But it is.

Could these complaints be a portent of what is causing the system to
become unresponsive?  Is there anything I can do to resolve this when I
am using Linode's kernels?

I know what to do when I am configuring and building my own kernel, but
on this system I'd prefer to avoid this if possible, since it is
Someone Else's Computer, after all.

Any input is appreciated.