[root@c7 ~]# dmesg | tail
[ 14.173511] Ebtables v2.0 registered
[ 14.211151] Bridge firewalling registered
[ 15.018274] IPv6: ADDRCONF(NETDEV_UP): eno16777736: link is not ready
[ 15.023187] e1000: eno16777736 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[ 15.027562] IPv6: ADDRCONF(NETDEV_UP): eno16777736: link is not ready
[ 15.027571] IPv6: ADDRCONF(NETDEV_CHANGE): eno16777736: link becomes ready
[73937.594566] e1000: eno16777736 NIC Link is Down
[74082.150628] e1000: eno16777736 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
[74082.153014] IPv6: ADDRCONF(NETDEV_CHANGE): eno16777736: link becomes ready
[102547.555629] perf interrupt took too long (2547 > 2500), lowering kernel.perf_event_max_sample_rate to 50000