I reproduced this on master with
$ cinder list --sort=bootable:asc --limit 5 --marker ca836f1b-3430-4e5f-b0b3-d326b3aa31a5
I reproduced this on master with
$ cinder list --sort=bootable:asc --limit 5 --marker ca836f1b- 3430-4e5f- b0b3-d326b3aa31 a5