Vincent Lin

cc @wackxu @fisherxu PTAL.

FYI: [3743](https://github.com/kubeedge/kubeedge/pull/3743)

> 3743的修复方式问题更严重，会导致云端cloudcore订阅的设备事件丢失，边缘无法同步到全量的device信息，deviceTwin功能失效 Hi @dafanshu , Can you give more details about this `deviceTwin` issue? cc @RyanZhaoXB

> @vincentgoat the e2e test is failed, PTAL Done

There is no need to delete nodeConns of the edge node here. For the scenario, killing edgecore process and reconnect immediately, then deleting the pod of the edge node, the...

> > There is no need to delete nodeConns of the edge node here. For the scenario, killing edgecore process and reconnect immediately, then deleting the pod of the edge...

cc @fisherxu PTAL, this issue was triggered frequently.

Hi, @NewsYoung Please check the content in this file `/proc/mounts` if the table line length is 6.

@mhh12121 Please try this PR #3743 to make sure if this issue can be solved in your kubeedge version.

cc @Congrool, Added you as a reviewer in the dir `controllermanager`