Adding containers to gluetun breaks existing networking of these containers (without network_mode: "service:gluetun" networking is working)

[distributev]

Hello,
I spent a lot of time on this I believe it is a bug but maybe not.
I went through many similar issues, I tried all possible configs but now luck.

Here are all the details.

#2412

[bluskye]

Did you open the ports?

services:
gluetun:
image: qmcgaw/gluetun:latest
container_name: gluetun
cap_add:
- NET_ADMIN
devices:
- /dev/net/tun:/dev/net/tun
ports:
- 8888:8888/tcp # HTTP proxy
- 8112:8112 #deluge
- 6881:6881 #deluge
- 6881:6881/udp #deluge
- 9091:9091 #transmission
- 51413:51413 #transmission
- 51413:51413/udp #transmission