To solve this problem, had to uninstall D4W Beta 7 and install older version…
[23:45:04.455][Program ][Info ] Version: 1.10.6.958
[23:45:04.455][Program ][Info ] Starting on: 4/15/2016 11:45:04 PM
[23:45:04.455][Program ][Info ] Resources: C:\Program Files (x86)\Docker\Docker\Resources
[23:45:04.455][Program ][Info ] OS: Windows 10 Pro
[23:45:04.455][Program ][Info ] Edition: Professional
[23:45:04.473][Program ][Info ] Id: 1511
[23:45:04.476][Program ][Info ] Build: 10586
[23:45:04.479][Program ][Info ] BuildLabName: 10586.212.amd64fre.th2_release_sec.160328-1908
@sakai135 explained other option where we can keep new D4W Beta7 version but remove all other internal Hyper-V switches to solve this issue… VM "MobyLinuxVM": The VM couldn't get an IP address after 60 tries
[01:05:05.124][Program ][Info ] Version: Version 1.11.0-beta7 (build: 1692)
[01:05:05.127][Program ][Info ] Starting on: 4/16/2016 1:05:05 AM
[01:05:05.127][Program ][Info ] Resources: C:\Program Files\Docker\Docker\Resources
[01:05:05.127][Program ][Info ] OS: Windows 10 Pro
[01:05:05.127][Program ][Info ] Edition: Professional
[01:05:05.127][Program ][Info ] Id: 1511
[01:05:05.127][Program ][Info ] Build: 10586
[01:05:05.146][Program ][Info ] BuildLabName: 10586.212.amd64fre.th2_release_sec.160328-1908