Your Linode(s) have been assigned maintenance windows during which they will be rebooted. This maintenance is necessary to patch for variants 1 and 2 of the Spectre vulnerability[1]. The scheduled times for these reboots are listed within the Linode Manager[2] in the timezone set in your user's Profile[3].
Your reboot schedule in UTC is as follows:
* 2018-05-11 6:00:00 AM UTC - linode2369245