Grpc.Core.RpcException: Status(StatusCode="DeadlineExceeded", Detail="")

[余志健]

this error always sometimes,when restart pod,it resoved
use grpc.client.factory version(2.55.0),code is 
services
            .AddGrpcClient<TClient>(factoryOptions =>
            {
                factoryOptions.Address = new uri("")
            })
            .ConfigureChannel(Channel);

Channel(IServiceProvider serviceProvider, GrpcChannelOptions channelOptions)
    {
        channelOptions.Credentials = ChannelCredentials.Insecure;
#if NET6_0_OR_GREATER
        channelOptions.ServiceConfig = new ServiceConfig
        {
            LoadBalancingConfigs =
            {
                new RoundRobinConfig()
            }
        };
        channelOptions.HttpHandler = new SocketsHttpHandler()
        {
            EnableMultipleHttp2Connections = true,
            SslOptions = new SslClientAuthenticationOptions
            {
                // Leave certs unvalidated for debugging
                RemoteCertificateValidationCallback = delegate { return true; }
            }
        };

[fish d]

Grpc.Core.RpcException: Status(StatusCode="DeadlineExceeded", Detail="")
   at Grpc.ClientLoggingInterceptor.HandleResponse[TRequest,TResponse](ClientInterceptorContext`2 context, Task`1 inner)
   at Grpc.DataCenter.DataCenterHeartBeatProvider.SendHeartBeatAsync()
   at Grpc.HostedServices.GrpcHeartBeatHostedService.ExecuteAsync(CancellationToken stoppingToken)    at Grpc.ClientLoggingInterceptor.HandleResponse[TRequest,TResponse](ClientInterceptorContext`2 context, Task`1 inner)
   at Grpc.Data.HeartBeatProvider.SendHeartBeatAsync()
   at Grpc.HostedServices.GrpcHeartBeatHostedService.ExecuteAsync(CancellationToken stoppingToken) System.Private.CoreLib

[Jan Tattermusch]

Sorry, there isn't enough context in your question to be able to help.