What's the cause of below logs on CISCO 2801-12.4(22)T,
Jul 2 07:15:04.030 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.11.1 (Tunnel11) is down: peer restarted
Jul 2 07:15:04.034 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.10.1 (Tunnel10) is down: peer restarted
Jul 2 07:15:04.102 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.11.1 (Tunnel11) is up: new adjacency
Jul 2 07:15:04.106 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.10.1 (Tunnel10) is up: new adjacency
Jul 2 07:16:01.749 AST: %CRYPTO-4-PKT_REPLAY_ERR: decrypt: replay check failed
connection id=2073, sequence number=379
Jul 2 08:57:12.334 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.10.1 (Tunnel10) is down: holding time expired
Jul 2 08:57:15.450 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.11.1 (Tunnel11) is down: holding time expired
Jul 2 08:57:16.518 AST: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 192.168.10.1 (Tunnel10) is up: new adjacency
