getting below errors, do you have any suggestions? Thanks...
2018-Jun-30 23:52:11.100407 [P2P1][176.31.229.104:36098 INC]Sync data returned a new top block candidate: 116186 -> 121368 [Your node is 5182 blocks (3 days) behind]
SYNCHRONIZATION started
2018-Jun-30 23:52:11.100649 [P2P1]Remote blockchain height: 121368, id:
2018-Jun-30 23:52:11.101850 [P2P1][176.31.229.104:36098 INC]COMMAND_HANDSHAKE
MARK {9} {p1} 2018-06-30 23:52:11.130728 [abstract_tcp_server2.inl+271 ::save_dbg_log] connection type P2P 192.168.1.98:19798 <--> 118.123.38.254:58199
2018-Jun-30 23:52:11.497659 [P2P2][118.123.38.254:58199 INC]COMMAND_HANDSHAKE
MARK {4} {p1} 2018-06-30 23:52:12.172626 [abstract_tcp_server2.inl+271 ::save_dbg_log] connection type P2P 192.168.1.98:19798 <--> 37.57.7.242:63385
2018-Jun-30 23:52:12.801423 [P2P1][37.57.7.242:63385 INC]COMMAND_HANDSHAKE
MARK {10} {p1} 2018-06-30 23:52:13.129091 [abstract_tcp_server2.inl+271 ::save_dbg_log] connection type P2P 192.168.1.98:19798 <--> 5.9.93.221:54048
2018-Jun-30 23:52:13.189269 [P2P3][5.9.93.221:54048 INC]Sync data returned a new top block candidate: 116186 -> 121368 [Your node is 5182 blocks (3 days) behind]
SYNCHRONIZATION started
2018-Jun-30 23:52:13.189698 [P2P3]Remote blockchain height: 121368, id:
2018-Jun-30 23:52:13.191060 [P2P3][5.9.93.221:54048 INC]COMMAND_HANDSHAKE
MARK {7} {p1} 2018-06-30 23:52:16.248855 [abstract_tcp_server2.inl+271 ::save_dbg_log] connection type P2P 192.168.1.98:19798 <--> 95.216.20.83:41634
2018-Jun-30 23:52:16.326534 [P2P4][95.216.20.83:41634 INC]COMMAND_HANDSHAKE
MARK {10} {p1} 2018-06-30 23:52:16.702621 [abstract_tcp_server2.inl+271 ::save_dbg_log] connection type P2P 192.168.1.98:19798 <--> 98.218.36.32:3905