1. Check your IP address of VMNET1 and VMNET8 on your base OS
2. The IP address of VMNET1 and VMNET8, should be configured as a gateway of the VMs
3. Don't select NAT or Host only network.
4. Select Custom and then select VMNET1 or VMNET8.
5. eg: If you use VMNET1 virtual adapter on VMs, then you have to give the gateway IP on VMs as same as the IP address of VMNET1