什么会使运营商在Linux上改变或丢失？

Question

在我的Gentoo上，我总是收到“运营商更换”或“运营商丢失”的消息，这导致接口连接丢失。

一些错误日志：

Jul 10 15:11:18 OpenStackDev kernel: [ 2022.506895] e1000e: enp0s25 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
Jul 10 15:11:18 OpenStackDev dhcpcd[3873]: enp0s25: carrier acquired
Jul 10 15:11:18 OpenStackDev dhcpcd[3873]: enp0s25: sending IPv6 Router Solicitation
Jul 10 15:11:18 OpenStackDev dhcpcd[3873]: enp0s25: rebinding lease of 9.111.244.173
Jul 10 15:11:22 OpenStackDev dhcpcd[3873]: enp0s25: sending IPv6 Router Solicitation
Jul 10 15:11:23 OpenStackDev dhcpcd[3873]: enp0s25: broadcasting for a lease
Jul 10 15:11:26 OpenStackDev dhcpcd[3873]: enp0s25: sending IPv6 Router Solicitation
Jul 10 15:11:30 OpenStackDev dhcpcd[3873]: enp0s25: sending IPv6 Router Solicitation
Jul 10 15:11:30 OpenStackDev dhcpcd[3873]: enp0s25: no IPv6 Routers available
Jul 10 15:11:35 OpenStackDev dhcpcd[3873]: enp0s25: offered 9.111.244.173 from 9.0.148.29
Jul 10 15:11:35 OpenStackDev dhcpcd[3873]: enp0s25: acknowledged 9.111.244.173 from 9.0.148.29
Jul 10 15:11:35 OpenStackDev dhcpcd[3873]: enp0s25: checking for 9.111.244.173
Jul 10 15:11:40 OpenStackDev dhcpcd[3873]: enp0s25: leased 9.111.244.173 for 43200 seconds
Jul 10 15:12:14 OpenStackDev dhcpcd[3873]: enp0s25: carrier lost
Jul 10 15:12:14 OpenStackDev kernel: [ 2079.050129] e1000e: enp0s25 NIC Link is Down

这只在我打开虚拟机时发生，我使用的是VirtualBox 4.2.14，我想知道是什么导致运营商改变或丢失，这个运营商是什么意思？

Answer 1

在真实的物理机器中，载体应该是您的网线

如果您使用网线连接并拔下网线，您应该会看到类似的消息。

在虚拟机中，我不确定是什么原因造成的，可能是您在虚拟机运行时更改了网络类型或断开了它的连接？