-DestinationPrefix ${GCE_METADATA_SERVER}/32 | Out-Null
    } Catch [Microsoft.PowerShell.Cmdletization.Cim.CimJobException] {
      break
    }
    $sleeptime = 2
    Start-Sleep ${sleeptime}
    ${elapsed} += ${sleeptime}
  }
}

# Adds a route to the GCE metadata server to every network interface.
function Add_GceMetadataServerRoute {