Whenever I have Virtualbox running, I cannot start an Android emulator image (and vice versa). The error message in the AVD manager is
ioctl(KVM_CREATE_VM) f
I resolved it by installing HAXM 6.1.2.
Please refer to the following link for details :- https://forums.docker.com/t/cant-using-docker-for-mac-with-android-emulator-haxm/8939/11