sudo apt install qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: enp0s25: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel master br0 state DOWN group default qlen 1000
    link/ether 54:ee:75:92:1a:60 brd ff:ff:ff:ff:ff:ff
3: wwp0s20u4: <BROADCAST,MULTICAST,NOARP> mtu 1428 qdisc noop state DOWN group default qlen 1000
    link/ether 9e:4f:b4:97:b7:50 brd ff:ff:ff:ff:ff:ff
4: wlp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 48:45:20:0b:ec:9e brd ff:ff:ff:ff:ff:ff
    inet 192.168.0.32/24 brd 192.168.0.255 scope global dynamic noprefixroute wlp4s0
       valid_lft 85114sec preferred_lft 85114sec
    inet6 fe80::2bd1:8f16:862:414d/64 scope link noprefixroute
       valid_lft forever preferred_lft forever
5: br0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 54:ee:75:92:1a:60 brd ff:ff:ff:ff:ff:ff
6: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
    link/ether 52:54:00:f5:d4:70 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.1/24 brd 192.168.122.255 scope global virbr0
       valid_lft forever preferred_lft forever
7: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN group default qlen 1000
    link/ether 52:54:00:f5:d4:70 brd ff:ff:ff:ff:ff:ff

sudo apt install qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager

/etc/network/interfaces

eth0 = enp0s25

sudo adduser [username] libvirt
sudo adduser [username] libvirt-qemu