linux - Linux 上什么情况会导致运营商变更或丢失？

Question

在我的 Gentoo 上，我总是收到一条消息说“运营商已更改”或“运营商丢失”，这导致了接口(interface)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

只有当我打开虚拟机时才会发生这种情况，我使用的是 VirtualBox 4.2.14我想知道是什么导致运营商变更或丢失，以及该运营商意味着什么？

Answer 1

在真实的物理机中，运营商就是您的网线

如果您使用网络电缆连接并拔掉它，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导致的，也许您在虚拟机运行时更改了网络类型或断开了网络连接？