A virtual computer, which is on the virtual machine imported the CentOS enp0s3 nic connection, found when setting bridge card cannot choose specify the interface name can only use network address translation (NAT); When using Smartty connection CentOS 22 connection no response; Then the CentOS on the command line input IP addr 10.0.2.15 is found the IP address; What can be done to make CentOS Smartty connection?