Creator complains about adb connection to the device

Following is seen on the creator "General Messages" tab:

Boot2Qt: Connecting to adb on device. Full command line is '/home/sanurmen/Qt_tc/Tools/b2qt/adb connect 192.168.56.101:5555'.

Boot2Qt: adb did not finish successfully.

Boot2Qt: Will try another disconnect/connect cycle.

Boot2Qt: Disconnecting from adb on device. Full command line is '/home/sanurmen/Qt_tc/Tools/b2qt/adb disconnect 192.168.56.101:5555'.

Boot2Qt: Successfully disconnected from adb.

Boot2Qt: Connecting to adb on device. Full command line is '/home/sanurmen/Qt_tc/Tools/b2qt/adb connect 192.168.56.101:5555'.

Boot2Qt: adb did not finish successfully.

Boot2Qt: Will try another disconnect/connect cycle.

Boot2Qt: Disconnecting from adb on device. Full command line is '/home/sanurmen/Qt_tc/Tools/b2qt/adb disconnect 192.168.56.101:5555'.

Boot2Qt: Successfully disconnected from adb.

Boot2Qt: Connecting to adb on device. Full command line is '/home/sanurmen/Qt_tc/Tools/b2qt/adb connect 192.168.56.101:5555'.

Boot2Qt: adb did not finish successfully.

Boot2Qt: Error: Failed to establish an adb connection to the device. VM setup failed.

Happens at least after starting the emulator after install and also when rebooting the emulator.