gardenctl ssh alicloud node returns timed out issue

[neo-liang-sap]

Describe the bug

gardenctl ssh alicloud node returns timed out issue
see discussion in #372 (comment)

To Reproduce
gardenctl ssh to a alicloud node

Expected behavior
gardenctl ssh to alicloud should success

Screenshots
If applicable, add screenshots to help explain your problem.

Gardenctl Version (please complete the following information):
latest commit on master branch

Additional context

[neo-liang-sap]

/assign

The security group is not created at all

(3/5) Setting up bastion host security group
the vpc id is vpc-gw8uwby1prs6dy8gamqir
the regional id is eu-central-1
the securitygroupname shoot--garden--alicloud-eu1-bsg
a.BastionSecurityGroupID sg-gw88htjmp44vgbjx7q9n
Bastion host security group set up.

from aliyun cli

 gardenctl aliyun ecs DescribeSecurityGroups -- --RegionId eu-central-1 --SecurityGroupIds '["sg-gw88htjmp44vgbjx7q9n"]' --NetworkType vpc --DryRun false --output cols=SecurityGroupName,Description,VpcId,Tags
Kubeconfig under path /Users/i352986/.garden/cache/canary/projects/garden/alicloud-eu1/kubeconfig.yaml contains exec configurations that could contain malicious code. Please only continue if you have verified it to be uncritical
SecurityGroupName | Description | VpcId | Tags
----------------- | ----------- | ----- | ----
<nil>             | <nil>       | <nil> | <nil>

force deletion not working neither

gardenctl aliyun ecs DeleteSecurityGroup -- --RegionId eu-central-1 --SecurityGroupId sg-gw88htjmp44vgbjx7q9n  (ccee-m3/default)
Kubeconfig under path /Users/i352986/.garden/cache/canary/projects/garden/alicloud-eu1/kubeconfig.yaml contains exec configurations that could contain malicious code. Please only continue if you have verified it to be uncritical
ERROR: SDK.ServerError
ErrorCode: DependencyViolation
Recommend: https://error-center.aliyun.com/status/search?Keyword=DependencyViolation&source=PopGw
RequestId: BB4BEF1E-C85F-43C3-9D31-03773173A644
Message: There is still instance(s) in the specified security group.

whether the SG exist or not, we all need to create SG rules, that's why when a SG exist, gardenctl ssh alinode timed out

working on the fix