Fix for newer versions of LXC not being detected due to
Fix for newer versions of LXC not being detected due to

/sys/fs/cgroup/cpuset/lxc

being split to

/sys/fs/cgroup/cpuset/lxc.monitor and /sys/fs/cgroup/cpuset/lxc.payload

now additionally looks for lxc.payload

sysdig-CLA-1.0-contributing-entity: Apolloversity Inc.
sysdig-CLA-1.0-signed-off-by: Joe Mattie <joemattie@gmail.com>

angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig,angeloc/sysdig