Ok, proceeded with the verification steps as per comments #20 and #23. When having two kernels installed after upgrade I see:
ubuntu@yakkety-test:~$ dkms status bcmwl, 6.30.223.271+bdcom, 4.10.0-19-generic, x86_64: installed bcmwl, 6.30.223.271+bdcom, 4.8.0-45-generic, x86_64: installed virtualbox, 5.1.18, 4.10.0-19-generic, x86_64: installed virtualbox, 5.1.18, 4.8.0-45-generic, x86_64: installed
Ok, proceeded with the verification steps as per comments #20 and #23. When having two kernels installed after upgrade I see:
ubuntu@ yakkety- test:~$ dkms status
bcmwl, 6.30.223.271+bdcom, 4.10.0-19-generic, x86_64: installed
bcmwl, 6.30.223.271+bdcom, 4.8.0-45-generic, x86_64: installed
virtualbox, 5.1.18, 4.10.0-19-generic, x86_64: installed
virtualbox, 5.1.18, 4.8.0-45-generic, x86_64: installed