Add ability for ubuntu to be tested

unfortunately the papr CI system cannot test ubuntu as a VM; therefore,
this PR still keeps travis.  but it does include fixes that will be required
for running on modern versions of ubuntu.

Signed-off-by: baude <bbaude@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 1e49673bf..e0eb1e4c2 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -1342,3 +1342,10 @@ func (c *Container) unmount(force bool) error {
 
 	return nil
 }
+
+// getExcludedCGroups returns a string slice of cgroups we want to exclude
+// because runc or other components are unaware of them.
+func getExcludedCGroups() (excludes []string) {
+	excludes = []string{"rdma"}
+	return
+}