Need help in activating a new NIC in ubuntu

Edit got it working CHATGPT.

I added a 2nd NIC 2500 ... but not sure how to make it active ... See WEBMIN screenshot below ...

3: enx803f5dfb6931: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether 80:3f:5d:fb:69:31 brd ff:ff:ff:ff:ff:ff