Create a bridge interface⚑
With iproute2⚑
Create a new bridge
ip link add name bridge_name type bridge
Set interface to state up
ip link set bridge_name up
Add an interface to the bridge (state of the interface must be up)
ip link set eth0 master bridge_name
Verify bridge
bridge link
Remove interace from a bridge
ip link set eth0 nomaster
Internet settings⚑
Edit file /etc/systemd/network/mybridge.network
[Match]
Name=br0
[Network]
DHCP=ipv4
Enable, start and reload systemd-networkd
sudo systemctl enable systemd-networkd
sudo systemctl start systemd-networkd
sudo systemctl reload systemd-networkd