我一直在Azure托管的Ubuntu池上运行我的管道，我的管道运行得很好。现在，我在Ubuntu服务器上配置了自托管代理，当运行我的管道时，它在git pull步骤中失败了。

trigger:
  batch: true
  branches:
    include:
    - main
  paths:
    include:
    - rg-test-cmn-syd-01-bastion

#pool:
  #vmImage: ubuntu-latest

pool:
  name: self-hosted
  demands:
   - agent.name -equals devops-agent-01   

variables:
  environmentName: 'dev'
  resource_group: '******'
  workDirectory: 'myworkdir'
  gitRepository: 'ssh://git@ssh.dev.azure.com/v3/myorg/myproject'
  backendType: 'azurerm'
  backendServiceArm: '***'
  backendAzureRmSubscriptionId: '*******'
  backendAzureRmResourceGroupName: '******'
  backendAzureRmStorageAccountName: '*****'
  backendAzureRmContainerName: '*****'
  backendAzureRmKey: '$(resource_group).tfstate'
  environmentServiceName: '*****'
 

stages :
  - stage: terraform_plan
    jobs:
      - job: terraform_plan
        displayName: "Terraform Plan"
        steps:
          - checkout: none

          - task: InstallSSHKey@0
            inputs:
              knownHostsEntry: $(known_host)
              sshPublicKey: '******'
              sshKeySecureFile: 'testkey'
              
          - task: CmdLine@2
            displayName: 'Git pull $(workDirectory)'
            inputs:
              script: |
                echo [command] git init
                git init
                echo [command] git sparse-checkout: $(workDirectory)
                git config core.sparsecheckout true
                echo $(workDirectory) >> .git/info/sparse-checkout
                echo [command] git remote add $(gitRepository)
                git remote add origin $(gitRepository)
                echo ##[command] git fetch --progress --verbose --depth=1 origin main
                git fetch --progress --verbose --depth=1 origin main
                ##echo ##[command] git pull --progress --verbose origin main
                git pull --progress --verbose origin main

字符串
相同的管道在Azure托管代理上运行正常（已注解池详细信息），但在自托管代理上运行时会失败。任何线索什么可以在这里失踪。
下面是我得到的错误消息

##git pull --progress --verbose origin main
##[debug]workingDirectory=/myagent/_work/2/s
##[debug]check path : /myagent/_work/2/s
Generating script.
##[debug]Agent.Version=3.220.5
##[debug]agent.tempDirectory=/myagent/_work/_temp
##[debug]check path : /myagent/_work/_temp
========================== Starting Command Output ===========================
##[debug]which 'bash'
##[debug]found: '/usr/bin/bash'
##[debug]which '/usr/bin/bash'
##[debug]found: '/usr/bin/bash'
##[debug]/usr/bin/bash arg: --noprofile
##[debug]/usr/bin/bash arg: --norc
##[debug]/usr/bin/bash arg: /myagent/_work/_temp/229ea54f-8b84-413a-915a-5c29dab2b0fc.sh
##[debug]exec tool: /usr/bin/bash
##[debug]arguments:
##[debug]   --noprofile
##[debug]   --norc
##[debug]   /myagent/_work/_temp/229ea54f-8b84-413a-915a-5c29dab2b0fc.sh
/usr/bin/bash --noprofile --norc /myagent/_work/_temp/229ea54f-8b84-413a-915a-5c29dab2b0fc.sh
 git init
Reinitialized existing Git repository in /myagent/_work/2/s/.git/
 git sparse-checkout: TESRT-Infra/common/rgname/
 git remote add ssh://git@ssh.dev.azure.com/v3/***/***/***
Host key verification failed.
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.

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