やってみたけど難しいね
Dockerのcgroupがわからん

root@VB-OpenWrt:~# uxc create container1 --bundle /srv/debian
[ ] container1 created runtime pid: 3122 container pid: 3123
root@VB-OpenWrt:~# uxc start --console container1
attaching to jail console. press [CTRL]+[B] to exit.
jail: exec-ing bash
bash: cannot set terminal process group (-1): Inappropriate ioctl for device
bash: no job control in this shell
root@umoci-default:/# ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
...

vhost0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::e0f6:dff:fe53:8a26 prefixlen 64 scopeid 0x20<link>
inet6 fde9:7216:9c93:0:e0f6:dff:fe53:8a26 prefixlen 64 scopeid 0x0<global>
ether e2:f6:0d:53:8a:26 txqueuelen 1000 (Ethernet)
...

root@umoci-default:/# ifconfig vhost0 192.168.1.40/26
SIOCSIFADDR: Operation not permitted
SIOCSIFFLAGS: Operation not permitted
SIOCSIFNETMASK: Operation not permitted
root@umoci-default:/#