based an bug reported on reddit , i'll create another bug report to track it .
https://www.reddit.com/r/vyos/comments/1454kv7/rolling_release_input_interface_qos_not_working/
#full configuration set interfaces ethernet eth0 vif 11 address 'xxx.xxx.1.2/24' admin@gw01# set interfaces input ifb0 description 'WAN Ingress' admin@gw01# set qos policy shaper DOWNLOAD-WAN bandwidth '100mbit' admin@gw01# set qos policy shaper DOWNLOAD-WAN default bandwidth '100%' admin@gw01# set qos policy shaper DOWNLOAD-WAN default burst '15k' admin@gw01# set qos policy shaper DOWNLOAD-WAN default codel-quantum '300' admin@gw01# set qos policy shaper DOWNLOAD-WAN default queue-limit '2400' admin@gw01# set qos policy shaper DOWNLOAD-WAN default queue-type 'fq-codel' admin@gw01# set qos interface ifb0 egress 'DOWNLOAD-WAN' admin@gw01# set interfaces ethernet eth0 vif 11 redirect ifb0 admin@gw01# commit tc qdisc add for redirect failed!