
The following are included in the switch to strict confinement: * Set snapcraft.yaml confinement to strict and restore/update plugs * Drop building of python as it's not required for strict snaps * Switch back to running apps under root * Build bridge-utils, iptables, iproute2, and libxml2 into snap Change-Id: I58bc68a946b832ddba5630abf9f2fd5174afed65