log.Errorf when pod streaming fails (#1463)

* log.Errorf when pod streaming fails

* Error method added for loggers

Co-authored-by: Asim Aslam <asim@aslam.me>

runtime/default.go

@@ -260,12 +260,17 @@ type logStream struct {
 	service string
 	stream  chan LogRecord
 	stop    chan bool
+	err     error
 }
 
 func (l *logStream) Chan() chan LogRecord {
 	return l.stream
 }
 
+func (l *logStream) Error() error {
+	return l.err
+}
+
 func (l *logStream) Stop() error {
 	// @todo seems like this is causing a hangup
 	//err := l.tail.Stop()