tidb.log报错信息：
[FATAL] [session.go:3052] [“check bootstrapped failed”] [error=“context deadline exceeded”] [stack=“github.com/pingcap/tidb/session.getStoreBootstrapVersion\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/session/session.go:3052\ngithub.com/pingcap/tidb/session.BootstrapSession\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/session/session.go:2827\nmain.createStoreAndDomain\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/tidb-server/main.go:296\nmain.main\n\t/home/jenkins/agent/workspace/build-common/go/src/github.com/pingcap/tidb/tidb-server/main.go:202\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250”]