I have run into similar issues. I reboot regularly to prevent it. I don't know about you, but I get tons of
--- there are now 51 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 51 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 49 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 49 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 49 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 49 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 49 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 51 active connections to the p2p network
--- there are now 50 active connections to the p2p network
--- there are now 51 active connections to the p2p network
spam in my CLI. I know I could turn it off, but I don't because I've noticed that when my box is about to lock up, those stop. So if I log in and I don't see tons of that spam, I restart the client. I could be completely wrong on this as well. The sample size of missing blocks for me is very small. Two instances due to this to be exact.