Does anyone hit this issue? And it will take long time to exit.

[root@192 ~]# docker run --runtime=cor -it --rm --net=mynet busybox /bin/sh        
/ # ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,UP,LOWER_UP> mtu 1500 qdisc fq qlen 1000
    link/ether be:e3:ef:ff:0e:1d brd ff:ff:ff:ff:ff:ff
    inet scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::bce3:efff:feff:e1d/64 scope link tentative 
       valid_lft forever preferred_lft forever
3: sit0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1
    link/sit brd
/ # ping
PING ( 56 data bytes
64 bytes from seq=0 ttl=64 time=1.708 ms
64 bytes from seq=1 ttl=64 time=0.532 ms
64 bytes from seq=2 ttl=64 time=0.529 ms
--- ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0.529/0.923/1.708 ms
/ # exit


Error response from daemon: Driver devicemapper failed to remove root filesystem 94f3f52c76ae25471086398a7191b414545a72a64917800cd29c3fff91b5eb14: Device is Busy
[root@192 ~]# 
[root@192 ~]# 


Zhi Yong Wu