I use sudo brctl delbr br0 but its back after reboot. I also tryd sudo brctl delif br0. But it always back after rebooting.
cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
cat /etc/netplan/*.yaml
# Let NetworkManager manage all devices on this system
network:
version: 2
renderer: NetworkManager
ethernets:
enp4s0f0:
dhcp4: no
addresses: [10.0.0.199/24]
gateway4: 10.0.0.1
nameservers:
addresses: [8.8.8.8, 1.1.1.1]
