I keep getting these:
1320597ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 0000f7e5f7f08e5cb01d5de1cee93e005447e29d, 63461
1320597ms th_a fork_database.cpp:58 push_block ] Head: 63390, 0000f79e741dd849af4e69a62a425f11497ce433
1320606ms th_a application.cpp:422 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:78 _push_block
{"new_block":{"previous":"0000f7e4de13bc0878fd684d7cf434a9f527dfde","timestamp":"2015-10-07T22:14:06","witness":"1.6.30","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"1f5046c64faf845e027e25ae05ef6b4837f22587e8d06bca11204b559679c14de45e96852d50123d04f1e062f61e8ae3e5276c73cd2f591e2ebfdcf75a790d20b8","transactions":[]}}
th_a db_block.cpp:197 _push_block
1320607ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 0000f7e63816b8b72183f76d418d9be0c778fb91, 63462
1320607ms th_a fork_database.cpp:58 push_block ] Head: 63390, 0000f79e741dd849af4e69a62a425f11497ce433
1320617ms th_a application.cpp:422 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:78 _push_block
{"new_block":{"previous":"0000f7e5f7f08e5cb01d5de1cee93e005447e29d","timestamp":"2015-10-07T22:14:09","witness":"1.6.8","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"2032e0250f672b893e51a18748d6f4c58dda8b5beea2bd9c7af09d48bfc0e47a294a02cc2920410654cef00dddb3cbd0067c450f015ff5b9657d069a890db5b364","transactions":[]}}
th_a db_block.cpp:197 _push_block
1320619ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 0000f7e737562f094e061a43446ad6958b2d681b, 63463
1320619ms th_a fork_database.cpp:58 push_block ] Head: 63390, 0000f79e741dd849af4e69a62a425f11497ce433
1320632ms th_a application.cpp:422 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:78 _push_block
{"new_block":{"previous":"0000f7e63816b8b72183f76d418d9be0c778fb91","timestamp":"2015-10-07T22:14:15","witness":"1.6.35","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"20151fdaf0786206e717d917f30e4d7b46d27035dc812e65056448dbac7e80daab309b85b0102f726c514263084df83c42392f46fcfc31937b88d28b2b7f2b58a5","transactions":[]}}
th_a db_block.cpp:197 _push_block
1320634ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 0000f7e86ed61243a7d820d3710862966c099480, 63464
1320634ms th_a fork_database.cpp:58 push_block ] Head: 63390, 0000f79e741dd849af4e69a62a425f11497ce433
1320648ms th_a application.cpp:422 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:78 _push_block
{"new_block":{"previous":"0000f7e737562f094e061a43446ad6958b2d681b","timestamp":"2015-10-07T22:14:18","witness":"1.6.24","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"1f6abbde2d9f9cfc8d61647e72864ea497faa2ca2fded3a9036ee2be6e9f4b2183724e420fe74258142e054779e5f68405d796f987929c5d14f810d44f8821fecb","transactions":[]}}
th_a db_block.cpp:197 _push_block
1320649ms th_a fork_database.cpp:57 push_block ] Pushing block to fork database that failed to link: 0000f7e9e20d7289c66b4b132c6ccfbbec011865, 63465
1320649ms th_a fork_database.cpp:58 push_block ] Head: 63390, 0000f79e741dd849af4e69a62a425f11497ce433
1320663ms th_a application.cpp:422 handle_block ] Error when pushing block:
3080000 unlinkable_block_exception: unlinkable block
block does not link to known chain
{}
th_a fork_database.cpp:78 _push_block
{"new_block":{"previous":"0000f7e86ed61243a7d820d3710862966c099480","timestamp":"2015-10-07T22:14:27","witness":"1.6.29","transaction_merkle_root":"0000000000000000000000000000000000000000","extensions":[],"witness_signature":"1f0a88ac998c931c9622175c6824636307f2fea2866bc13670bac2242ceaf85abd64328132fc7ec5bfb5b189af8745722b37f3ff16b197eaa9a81b4411c9c3006e","transactions":[]}}
th_a db_block.cpp:197 _push_block
info
{
"head_block_num": 63389,
"head_block_id": "0000f79d286062943a634c0fc401d4204fa2187b",
"head_block_age": "17 minutes old",
"next_maintenance_time": "35 minutes in the future",
"chain_id": "60e21871125ea9995fe498b7f68a87a85c6583725ea5448f6fd969c59a37df83",
"participation": "93.75000000000000000",