free container after container is exited
free container after container is exited

Signed-off-by: Gao feng <7f710758e13fe1707f3aa2e93d3a8f5444b6a90e@gmail.com>

bergwolf/hyperstart,hyperhq/hyperstart,hyperhq/hyperstart,laijs/hyperstart,gao-feng/hyperstart,gao-feng/hyperstart,bergwolf/hyperstart,laijs/hyperstart