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I want to share ROS Master with ROSPI ROS and VMware's Ubuntu ROS on my laptop.

Error message

The connection didn't work, so when I checked the connection using ping, I didn't get back any response or error message.
In the ping from the Rasp Pie to the laptop,
All the time
PING 192.168.XXX.XXX (192.168.XXX.XXX) 56 (84) bytes of data.
You cannot exit without doing Ctrl + C.

In ROS pie ~/.bashrc ROS_MASTER_URI
http: // Raspai hostname: 11311

In ROS pie ~/.bashrc ROS_HOSTNAME
Rasppie hostname

In/etc/hosts of Raspai
Raspai's IP address Raspai's host name
IP address of the notebook PC Ubuntu host name of the notebook PC

In ROS_MASTER_URI of ~/.bashrc of laptop
http: // Raspai hostname: 11311

To ROS_HOSTNAME on your laptop ~/.bashrc
Ubuntu host name of laptop

In/etc/hosts on laptops
Raspai's IP address Raspai's host name
IP address of the notebook PC Ubuntu host name of the notebook PC

is set.

Supplemental information

The network connection of the virtual OS is NAT.
Pinging from the laptop to the Rasp Pie will return without problems.
Server version of Ubuntu16.04 for Raspai
The desktop version of Ubuntu16.04 is installed on the virtual OS.
Both Raspai and PC communicate wirelessly via Wi-Fi.
Raspai is operated using Terraterm on the same PC as the virtual OS.