Refine IPv6 Supported

Signed-off-by: pixiake <[email protected]>

(cherry picked from commit a56c600)
Signed-off-by: pixiake <[email protected]>

support only etcd

Signed-off-by: pixiake <[email protected]>

Merge remote-tracking branch 'origin/master' into release-3.1

# Conflicts:
#	.github/workflows/sync-feature-code.yaml
#	docs/kubernetes-versions.md
#	hack/sync-components.sh
#	version/components.json

fix: ssh formatting exception bug when executing commands (#2406)

* fix: ssh formatting exception bug when executing commands

* Update ssh_connector.go

WARNING: Use `nolint:gosec` annotation

* Update ssh_connector.go

* Update ssh_connector.go

* Update local_connector.go

* Update local_connector.go

* Update init_repository.yaml

add `sudo_password` to use sudo mod. (#2402)

* fix: graceful delete runtime dir.

Signed-off-by: joyceliu <[email protected]>

* fix: graceful delete runtime dir.

Signed-off-by: joyceliu <[email protected]>

* fix: add `sudo` and SHELL in connector.

Signed-off-by: joyceliu <[email protected]>

---------

Signed-off-by: joyceliu <[email protected]>
Co-authored-by: joyceliu <[email protected]>

Sync feature branch to master/feature directory (#2400)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

fix: error local router. (#2388)

Signed-off-by: joyceliu <[email protected]>
Co-authored-by: joyceliu <[email protected]>

release 3.1.6 (#2385)

* Add new kubernetes version (#2363)

Co-authored-by: ks-ci-bot <[email protected]>

* Create sync-featrue-code.yaml (#2371)

Signed-off-by: joyceliu <[email protected]>

* update calico to v3.27.4 (#2383)

Signed-off-by: pixiake <[email protected]>

---------

Signed-off-by: joyceliu <[email protected]>
Signed-off-by: pixiake <[email protected]>
Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: ks-ci-bot <[email protected]>
Co-authored-by: pixiake <[email protected]>

Merge remote-tracking branch 'origin/master' into release-3.1

Merge remote-tracking branch 'origin/master' into release-3.1