Link aggregation
Three shells are used.
the first shell
nm-connection-editor
nmcli connection add con-name bond0 ifname bond0 type bond mode active-backup ip 4 172.25.254.101/24
ifconfig
ping 172.25.254.101
Second shell
cat /proc/net/bonding/bond0
Third shell
nmcli connection add con-name eth0 ifname eth0 type bond-slave master bond0
nmcli connection add con-name eth2 ifname eth2 type bond-slave master bond0
Input: ifconfig eth0 down
ifconfig eth0 up
ifconfig eth2 down
ifconfig eth2 up
be adjusted