Error: command ['sh', '-c', 'find /lib/modules/`uname -r` -name "vbox*" | xargs -r modinfo'] failed with exit code 123: modinfo: ERROR: Module /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox not found.
modinfo: ERROR: Module /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxguest not found.
modinfo: ERROR: Module /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxsf not found.
modinfo: ERROR: Module /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxvideo not found.
filename:       /lib/modules/4.8.0-21-generic/updates/dkms/vboxdrv.ko
version:        5.1.6_Ubuntu r110634 (0x00260000)
license:        GPL
description:    Oracle VM VirtualBox Support Driver
author:         Oracle Corporation
srcversion:     5BE097264B3FF2017EBBB98
depends:        
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
parm:           force_async_tsc:force the asynchronous TSC mode (int)
filename:       /lib/modules/4.8.0-21-generic/updates/dkms/vboxnetflt.ko
version:        5.1.6_Ubuntu r110634 ((0xA2CDe001U))
license:        GPL
description:    Oracle VM VirtualBox Network Filter Driver
author:         Oracle Corporation
srcversion:     D686CF2E1879C70DBB1488B
depends:        vboxdrv
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
filename:       /lib/modules/4.8.0-21-generic/updates/dkms/vboxnetadp.ko
version:        5.1.6_Ubuntu r110634 ((0xA2CDe001U))
license:        GPL
description:    Oracle VM VirtualBox Network Adapter Driver
author:         Oracle Corporation
srcversion:     29B5552C5D92B8323EE00BD
depends:        vboxdrv
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
filename:       /lib/modules/4.8.0-21-generic/updates/dkms/vboxpci.ko
version:        5.1.6_Ubuntu r110634
license:        GPL
description:    Oracle VM VirtualBox PCI access Driver
author:         Oracle Corporation
srcversion:     E68F43C38B345436C4C9886
depends:        vboxdrv
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
filename:       /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxguest/vboxguest.ko
version:        5.1.6_Ubuntu r110634
license:        GPL
description:    Oracle VM VirtualBox Guest Additions for Linux Module
author:         Oracle Corporation
srcversion:     D95A5FA0DB511CEC415F6E7
alias:          pci:v000080EEd0000CAFEsv00000000sd00000000bc*sc*i*
depends:        
intree:         Y
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
filename:       /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxsf/vboxsf.ko
version:        5.1.6_Ubuntu r110634
license:        GPL
author:         Oracle Corporation
description:    Oracle VM VirtualBox VFS Module for Host File System Access
srcversion:     308B21C2D1816AC5CAD8A3A
depends:        vboxguest
intree:         Y
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
parm:           follow_symlinks:Let host resolve symlinks rather than showing them (int)
filename:       /lib/modules/4.8.0-21-generic/kernel/ubuntu/vbox/vboxvideo/vboxvideo.ko
version:        5.1.6_Ubuntu r110634
license:        GPL and additional rights
description:    Oracle VM VirtualBox Graphics Card
author:         Oracle Corporation
srcversion:     E5E43115E559437749AF124
alias:          pci:v000080EEd0000BEEFsv*sd*bc*sc*i*
depends:        drm,drm_kms_helper,ttm,vboxguest,syscopyarea,sysfillrect,sysimgblt
intree:         Y
vermagic:       4.8.0-21-generic SMP mod_unload modversions 
parm:           modeset:Disable/Enable modesetting (int)