Virtual machine bridging cannot go out of the network.
Scene:
Everything is fine in debian NAT mode, IP cannot be obtained in bridge mode through DHCP, and the device displays "unmanaged".
Process:
Within the virtual machine:
1. Open / etc/NetworkManager/nm-system-settings.conf as an administrator with a text editor and change the "managed=false" on the last line to "managed=true"
two。 Restart the computer
Outside the virtual machine:
1. Check whether the virtual machine bridge network card is currently in use
two。 Check whether virtual machine traffic is blocked due to firewall policy
