/go/src/github.com/cockroachdb/cockroach/pkg/rpc/context.go:1142 +0x62c
  github.com/cockroachdb/cockroach/pkg/rpc.(*Context).grpcDialNodeInternal.func1.1()
      /go/src/github.com/cockroachdb/cockroach/pkg/rpc/context.go:1061 +0x94
  github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask.func1()
      /go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:347 +0x149

Previous write at 0x00c000162de0 by goroutine 45:
  google.golang.org/grpc/internal/transport.(*http2Client).operateHeaders()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/internal/transport/http2_client.go:1289 +0x2309
  google.golang.org/grpc/internal/transport.(*http2Client).reader()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/internal/transport/http2_client.go:1478 +0xdb1

Goroutine 41 (running) created at:
  github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask()
      /go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:342 +0x107
  github.com/cockroachdb/cockroach/pkg/rpc.(*Context).grpcDialNodeInternal.func1()
      /go/src/github.com/cockroachdb/cockroach/pkg/rpc/context.go:1059 +0x411
  sync.(*Once).doSlow()
      /usr/local/go/src/sync/once.go:68 +0x109
  sync.(*Once).Do()
      /usr/local/go/src/sync/once.go:59 +0x68
  github.com/cockroachdb/cockroach/pkg/rpc.(*Context).grpcDialNodeInternal()
      /go/src/github.com/cockroachdb/cockroach/pkg/rpc/context.go:1053 +0x25c
  github.com/cockroachdb/cockroach/pkg/rpc.(*Context).GRPCUnvalidatedDial()
      /go/src/github.com/cockroachdb/cockroach/pkg/rpc/context.go:1002 +0xd5
  github.com/cockroachdb/cockroach/pkg/gossip.(*client).startLocked.func1.2()
      /go/src/github.com/cockroachdb/cockroach/pkg/gossip/client.go:108 +0x5c
  github.com/cockroachdb/circuitbreaker.(*Breaker).CallContext()
      /go/src/github.com/cockroachdb/cockroach/vendor/github.com/cockroachdb/circuitbreaker/circuitbreaker.go:385 +0x83
  github.com/cockroachdb/circuitbreaker.(*Breaker).Call()
      /go/src/github.com/cockroachdb/cockroach/vendor/github.com/cockroachdb/circuitbreaker/circuitbreaker.go:370 +0x364
  github.com/cockroachdb/cockroach/pkg/gossip.(*client).startLocked.func1()
      /go/src/github.com/cockroachdb/cockroach/pkg/gossip/client.go:103 +0x1bf
  github.com/cockroachdb/cockroach/pkg/util/stop.(*Stopper).RunAsyncTask.func1()
      /go/src/github.com/cockroachdb/cockroach/pkg/util/stop/stopper.go:347 +0x149

Goroutine 45 (running) created at:
  google.golang.org/grpc/internal/transport.newHTTP2Client()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/internal/transport/http2_client.go:346 +0x1488
  google.golang.org/grpc/internal/transport.NewClientTransport()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/internal/transport/transport.go:580 +0x6c7
  google.golang.org/grpc.(*addrConn).createTransport()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/clientconn.go:1323 +0x4f7
  google.golang.org/grpc.(*addrConn).tryAllAddrs()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/clientconn.go:1253 +0x507
  google.golang.org/grpc.(*addrConn).resetTransport()
      /go/src/github.com/cockroachdb/cockroach/vendor/google.golang.org/grpc/clientconn.go:1168 +0x33b
==================
    testing.go:1092: race detected during execution of test
--- FAIL: TestClientDisconnectLoopback (0.02s)