fix vagrant vb guest additions issue so that shared folder works ('src'):
The following SSH command responded with a non-zero exit status.
Vagrant assumes that this means the command failed!
mount /tmp/VBoxGuestAdditions.iso -o loop /mnt
Stdout from the command:
Stderr from the command:
mount: /mnt: mount point does not exist.
fix vagrant vb guest additions issue so that shared folder works ('src'):