$ comcast -cont c1 -mode stop
2015/07/29 02:31:34 Found interface vetha7b90a7 for container 'c1'
[...]
2015/07/29 02:31:34 Packet rules stopped...
2015/07/29 02:31:34 Run `sudo tc -s qdisc` to double check
2015/07/29 02:31:34 Run `comcast --mode start` to start
