a48f11c225
Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Fix GKE system spec for OS images with kernel version 4.10+ Two changes are required for validating images with kernel version 4.10+. 1. Update the spec in gke.yaml to allow 4.10+ kernel. 2. Update the GKE environment docker validation to allow `CONFIG_DEVPTS_MULTIPLE_INSTANCES` to be missing in >= 4.8 kernel because this option has been removed in 4.8. **Release note**: ``` None ``` /assign @dchen1107