I've been having this kind of error in my daemon for some time now:
11:48:42.941936 INFO tx used wrong inputs, rejected
11:48:42.941974 ERROR Transaction verification failed:
11:48:42.942017 INFO [95.133.13.209:47837 OUT] Tx verification failed
11:48:43.041623 INFO tx used wrong inputs, rejected
11:48:43.041679 ERROR Transaction verification failed: <57748af24259524b2946cc8f7b7164788eb8c4a6d3184da681677ccb4bf499e8>
11:48:43.041788 INFO [95.133.13.209:47837 OUT] Tx verification failed
11:48:43.053610 INFO tx used wrong inputs, rejected
11:48:43.053644 ERROR Transaction verification failed:
11:48:43.053714 INFO [95.133.13.209:47837 OUT] Tx verification failed
11:48:43.066014 INFO tx used wrong inputs, rejected
11:48:43.066070 ERROR Transaction verification failed: <819cb4033a3d023a413b99378840e7ffdec5eb7ce7fa6b740860fa0d02fe6480>
11:48:43.066245 INFO [95.133.13.209:47837 OUT] Tx verification failed
11:48:43.081701 INFO tx used wrong inputs, rejected
11:48:43.081961 ERROR Transaction verification failed:
11:48:43.082301 INFO [95.133.13.209:47837 OUT] Tx verification failed
Something isn't right.