Monitoring calls from containers to other containers

General
1

Hello all:

Is there anyway to monitor the calls that a Docker container makes to other docker containers. I know that in the path of the host /sys/fs/cgroup/blkio/docker/$CONTAINER_ID you have network stats about the container. I would like to extract something like

destination_container time type_of_request
container_1 epoch1 TCP
container_2 epoch2 UDP

In short, how the containers interact between each other. I don’t mind having to install a third party tool.

2

You can checkout sysdig.

They provide all needed debug capabilities for containers.

3

Thanks!. sysdig seems to solve the problem. I also wanted to know if there are any other possibilities to check this besides third party tools, e.g. command line or linux tool that allows to check this info.

4

why not just use ngrep ?