Failed to update Gitlab commit status for project 'XXXX': HTTP 400 Bad Request

After update to GitLab Community Edition **11.11.8** I get following error when doing POST with build status:

> Failed to update Gitlab commit status for project 'XXXX': HTTP 400 Bad Request

> Response body: {
> "message" : {
> "target_url" : [ "is blocked: Host cannot be resolved or invalid" ]
> }
> }

Jenkins version: **2.176.2** and it is running in docker container.
Gitlab plugin version **1.5.12**

Jenkinsfile:
```
pipeline {
agent {
docker {
image 'trion/ng-cli-karma'
}
}
options {
gitLabConnection('xyz/')
gitlabBuilds(builds: ['Checkout', 'Check tools', 'Install modules', 'lint', 'test', 'build'])
}
triggers {
gitlab(
branchFilterType: 'All',
triggerOnPush: false,
triggerOnMergeRequest: true,
triggerOpenMergeRequestOnPush: "source",
triggerOnAcceptedMergeRequest: true,
triggerOnClosedMergeRequest: true,
triggerOnNoteRequest: true,
noteRegex: "Jenkins please retry a build",
acceptMergeRequestOnSuccess: true,
skipWorkInProgressMergeRequest: true,
ciSkip: false,
secretToken: "xyz",
setBuildDescription: true,
addNoteOnMergeRequest: true,
addCiMessage: true,
addVoteOnMergeRequest: true,
includeBranchesSpec: "",
excludeBranchesSpec: "",
pendingBuildName: "Pending build name for pipeline",
sourceBranchRegex: "",
targetBranchRegex: "")
}
stages {
stage('Checkout'){
steps {
checkout scm
}
}
stage('Check tools') {
steps {
gitlabCommitStatus('Check tools') {
sh 'node -v'
sh 'npm -v'
sh 'npm i -g @angular/cli'
sh 'npm rebuild node-sass --force'
}
}
}
stage('Install modules') {
steps {
gitlabCommitStatus('Install modules') {
sh 'npm install'
}
}
}
stage('Run lint') {
steps {
gitlabCommitStatus('lint') {
sh 'npm run lint'
}
}
}
stage('Run tests') {
steps {
gitlabCommitStatus('test') {
sh 'npm run test'
}
}
}
stage('Build') {
steps {
gitlabCommitStatus('build') {
sh 'ng build --prod'
}
}
}
}
}
```
Errror itself:

`javax.ws.rs.BadRequestException: HTTP 400 Bad Request
at org.jboss.resteasy.client.jaxrs.internal.ClientInvocation.handleErrorStatus(ClientInvocation.java:197)
at org.jboss.resteasy.client.jaxrs.internal.proxy.extractors.DefaultEntityExtractorFactory$3.extractEntity(DefaultEntityExtractorFactory.java:50)
at org.jboss.resteasy.client.jaxrs.internal.proxy.ClientInvoker.invoke(ClientInvoker.java:104)
at org.jboss.resteasy.client.jaxrs.internal.proxy.ClientProxy.invoke(ClientProxy.java:64)
at com.dabsquared.gitlabjenkins.gitlab.api.impl.$Proxy97.changeBuildStatus(Unknown Source)
at com.dabsquared.gitlabjenkins.gitlab.api.impl.ResteasyGitLabClient.changeBuildStatus(ResteasyGitLabClient.java:60)
at com.dabsquared.gitlabjenkins.util.CommitStatusUpdater.updateCommitStatus(CommitStatusUpdater.java:85)
at com.dabsquared.gitlabjenkins.workflow.GitLabCommitStatusStep$GitLabCommitStatusStepExecution$1.onSuccess(GitLabCommitStatusStep.java:103)
at org.jenkinsci.plugins.workflow.cps.CpsBodyExecution$SuccessAdapter.receive(CpsBodyExecution.java:377)
at com.cloudbees.groovy.cps.Outcome.resumeFrom(Outcome.java:73)
at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:166)
at com.cloudbees.groovy.cps.Continuable$1.call(Continuable.java:163)
at org.codehaus.groovy.runtime.GroovyCategorySupport$ThreadCategoryInfo.use(GroovyCategorySupport.java:129)
at org.codehaus.groovy.runtime.GroovyCategorySupport.use(GroovyCategorySupport.java:268)
at com.cloudbees.groovy.cps.Continuable.run0(Continuable.java:163)
at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.access$001(SandboxContinuable.java:18)
at org.jenkinsci.plugins.workflow.cps.SandboxContinuable.run0(SandboxContinuable.java:51)
at org.jenkinsci.plugins.workflow.cps.CpsThread.runNextChunk(CpsThread.java:186)
at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.run(CpsThreadGroup.java:370)
at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup.access$200(CpsThreadGroup.java:93)
at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:282)
at org.jenkinsci.plugins.workflow.cps.CpsThreadGroup$2.call(CpsThreadGroup.java:270)
at org.jenkinsci.plugins.workflow.cps.CpsVmExecutorService$2.call(CpsVmExecutorService.java:66)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at hudson.remoting.SingleLaneExecutorService$1.run(SingleLaneExecutorService.java:131)
at jenkins.util.ContextResettingExecutorService$1.run(ContextResettingExecutorService.java:28)
at jenkins.security.ImpersonatingExecutorService$1.run(ImpersonatingExecutorService.java:59)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)`

At this point can't tell where problem is: Gitlab itself or plugin? Any suggestions?