https://wiki.ubuntu.com/DebuggingKernelSuspend
https://wiki.ubuntu.com/DebuggingKernelHibernate
https://www.kernel.org/doc/html/latest/power/swsusp.html
https://www.kernel.org/doc/html/latest/power/userland-swsusp.html
https://www.kernel.org/doc/html/latest/power/basic-pm-debugging.html