fix kube reserved

[daimaxiaxie]

What type of PR is this?

/kind bug

What this PR does / why we need it:

Which issue(s) this PR fixes:

pending pod request 3c, ds pod request 500m

# nodeclaim
  - key: node.kubernetes.io/instance-type
    operator: In
    values:
    - ecs.c7.16xlarge
    - ecs.c7.2xlarge
    - ecs.c7.32xlarge
    - ecs.c7.3xlarge
    - ecs.c7.4xlarge
    - ecs.c7.6xlarge
    - ecs.c7.8xlarge
    - ecs.c7.xlarge
    - ecs.c7a.2xlarge
    - ecs.c7a.4xlarge
    - ecs.c7a.xlarge
    - ecs.g7.16xlarge
    - ecs.g7.2xlarge
    - ecs.g7.32xlarge
    - ecs.g7.3xlarge
    - ecs.g7.4xlarge
    - ecs.g7.6xlarge
    - ecs.g7.8xlarge
    - ecs.g7.xlarge
    - ecs.g7a.2xlarge
    - ecs.g7a.4xlarge
    - ecs.g7a.8xlarge
    - ecs.g7a.xlarge
  resources:
    requests:
      cpu: 3500m
      memory: 3572Mi
      pods: "2"
status:
  allocatable:
    cpu: 3920m
    ephemeral-storage: 80G
    memory: 5994Mi
    pods: "110"
  capacity:
    cpu: "4"
    ephemeral-storage: 80G
    memory: 5994Mi
    pods: "110"

but actual:

# node
Capacity:
  cpu:                          4
  ephemeral-storage:            82380724Ki
  hugepages-1Gi:                0
  hugepages-2Mi:                0
  mem-hard-eviction-threshold:  500Mi
  mem-soft-eviction-threshold:  1536Mi
  memory:                       7662516Ki
  pods:                         100
Allocatable:
  cpu:                3
  ephemeral-storage:  75922075113
  hugepages-1Gi:      0
  hugepages-2Mi:      0
  memory:             6101940Ki
  pods:               100

Special notes for your reviewer:

Does this PR introduce a user-facing change?

[gitautomator]

Thanks to your contribution, the maintainers will review it as soon as they can!

[gitautomator]

The release note is either empty or incomplete, please consider: Fixed an issue where the allocatable resources on a node did not match the actual capacity, leading to potential scheduling problems for pods with specific resource requests.