Estou vendo o tempo limite da rede a cada 5 minutos.
Apr 27 14:14:21 buzzsaw NetworkManager[1004]: <info> [1524852861.3916] connectivity: (eth0) timed out
Apr 27 14:19:21 buzzsaw NetworkManager[1004]: <info> [1524853161.3875] connectivity: (eth0) timed out
Apr 27 14:24:21 buzzsaw NetworkManager[1004]: <info> [1524853461.3973] connectivity: (eth0) timed out
Apr 27 14:29:21 buzzsaw NetworkManager[1004]: <info> [1524853761.3971] connectivity: (eth0) timed out
Apr 27 14:34:21 buzzsaw NetworkManager[1004]: <info> [1524854061.3968] connectivity: (eth0) timed out
Apr 27 14:39:21 buzzsaw NetworkManager[1004]: <info> [1524854361.3967] connectivity: (eth0) timed out
Apr 27 14:44:21 buzzsaw NetworkManager[1004]: <info> [1524854661.3752] connectivity: (eth0) timed out
$ lspci -nn | grep Network
00:19.0 Ethernet controller [0200]: Intel Corporation 82567LM-2 Gigabit Network Connection [8086:10cc]
O que posso verificar para determinar o que está causando os tempos limite de 5 minutos?