var google.golang.org/grpc.errConnDrain

5 uses

	google.golang.org/grpc (current package)
		balancer_conn_wrappers.go#L289: 	ccb.cc.removeAddrConn(acbw.getAddrConn(), errConnDrain)
		balancer_conn_wrappers.go#L374: 		acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
		balancer_conn_wrappers.go#L389: 		acbw.ac.cc.removeAddrConn(acbw.ac, errConnDrain)
		clientconn.go#L69: 	errConnDrain = errors.New("grpc: the connection is drained")
		clientconn.go#L1420: 	if err == errConnDrain && curTr != nil {