Revert "Comment out modprobe, to test Felix premature death check"
Revert "Comment out modprobe, to test Felix premature death check"

This reverts commit 00c7e9a55a0cef1eba75ca4ca3acaa13767fb0e9.

neiljerram/felix,neiljerram/felix,neiljerram/felix,Metaswitch/calico,neiljerram/felix,Metaswitch/calico