Test failure: System.Net.NameResolution.PalTests.NameResolutionPalTests.TryGetAddrInfo_ExternalHost(justAddresses: False)

[v-haren]

failed in job: runtime 20201027.54

failed tests:
System.Net.NameResolution.PalTests.NameResolutionPalTests.TryGetAddrInfo_ExternalHost(justAddresses: False)
System.Net.NameResolution.PalTests.NameResolutionPalTests.TryGetAddrInfo_ExternalHost(justAddresses: True)

net6.0-Android-Release-arm64-Mono_Release-Windows.10.Amd64.Android.Open

Error message

Assert.Equal() Failure
Expected: Success
Actual:   HostNotFound


Stack trace
   at System.Net.NameResolution.PalTests.NameResolutionPalTests.TryGetAddrInfo_ExternalHost(Boolean justAddresses) in /_/src/libraries/System.Net.NameResolution/tests/PalTests/NameResolutionPalTests.cs:line 157
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)

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[akoeplinger]

Looks like an infrastructure issue specific to a few machines, filed https://github.com/dotnet/core-eng/issues/11290.

[ViktorHofer]

@akoeplinger should we close this issue given that we have the core-eng issue tracking why the machines misbehaved?