Seed nodes drop all peers with pong timeout #3230
Description
Here is what I am observing.
When I run a node with seed_node=true and moderate to high incoming connection load.
Every peer stops on a pong timeout error.
E[2019-01-28|23:11:41.878] Stopping peer for error module=p2p peer="Peer{MConn{35.178.255.1:26656} 2da253df860538fd0adcc7fd79f89f088aca7353 out}" err="pong timeout"
E[2019-01-28|23:11:43.451] Connection failed @ sendRoutine module=p2p peer=e47b9895c092122821b0f166501b594195054f43@8.8.8.8:26656 conn=MConn{52.52.28.101:26656} err="pong timeout"
E[2019-01-28|23:11:43.451] Stopping peer for error module=p2p peer="Peer{MConn{52.52.28.101:26656} e47b9895c092122821b0f166501b594195054f43 out}" err="pong timeout"
E[2019-01-28|23:11:44.132] Connection failed @ sendRoutine module=p2p peer=5b2d308c2e24dfd1d7a89c8779621839c7bd0719@13.52.136.172:26656 conn=MConn{13.52.136.172:26656} err="pong timeout"
E[2019-01-28|23:11:44.133] Stopping peer for error module=p2p peer="Peer{MConn{13.52.136.172:26656} 5b2d308c2e24dfd1d7a89c8779621839c7bd0719 out}" err="pong timeout"
E[2019-01-28|23:11:44.794] Connection failed @ sendRoutine module=p2p peer=5691f066133eaa40c9fdb0f2a76106bff06469bd@0.0.0.0:26656 conn=MConn{35.234.98.115:26656} err="pong timeout"
E[2019-01-28|23:11:44.794] Stopping peer for error module=p2p peer="Peer{MConn{35.234.98.115:26656} 5691f066133eaa40c9fdb0f2a76106bff06469bd out}" err="pong timeout"
E[2019-01-28|23:11:45.145] Connection failed @ sendRoutine module=p2p peer=1cf82349127cd57ae8727d9161805bf9ecf4ad5e@77.87.106.26:26656 conn=MConn{77.87.106.26:26656} err="pong timeout"
E[2019-01-28|23:11:45.145] Stopping peer for error module=p2p peer="Peer{MConn{77.87.106.26:26656} 1cf82349127cd57ae8727d9161805bf9ecf4ad5e out}" err="pong timeout"
E[2019-01-28|23:12:23.318] MConnection flush failed module=p2p peer=0a4a79aa03439848c9b55d51a86169efdfe68b58@34.219.198.246:26656 err="write tcp 10.128.0.6:60358->34.219.198.246:26656: write: connection timed out"
E[2019-01-28|23:12:23.318] Failed to write PacketMsg module=p2p peer=0a4a79aa03439848c9b55d51a86169efdfe68b58@34.219.198.246:26656 err="write tcp 10.128.0.6:60358->34.219.198.246:26656: write: connection timed out"
E[2019-01-28|23:12:23.318] Stopping peer for error module=p2p peer="Peer{MConn{34.219.198.246:26656} 0a4a79aa03439848c9b55d51a86169efdfe68b58 out}" err="write tcp 10.128.0.6:60358->34.219.198.246:26656: write: connection timed out"