IPFS: 'Addresses.API' being set to node's multiaddr

[folex]

In cont-init.d/20-config, ipfs daemon is told to use 0.0.0.0 in Addresses.API. But sometimes, on some nodes, the multiaddress is being set to the $external_IP/tcp/5001. It triggers an error from IPFS daemon:

2021-10-07 11:12:18.647461509  Initializing daemon...
2021-10-07 11:12:18.647465773  go-ipfs version: 0.9.0-179d1d1
2021-10-07 11:12:18.647467203  Repo version: 11
2021-10-07 11:12:18.647468538  System version: amd64/linux
2021-10-07 11:12:18.647469821  Golang version: go1.15.2
2021-10-07 11:12:18.708260850  Swarm is limited to private network of peers with the swarm key
2021-10-07 11:12:18.708265178  Swarm key fingerprint: ef371f974014caa3bd2b73076a6c271c
2021-10-07 11:12:18.708266605  Swarm listening on /ip4/127.0.0.1/tcp/4001
2021-10-07 11:12:18.708267883  Swarm listening on /ip4/172.18.0.2/tcp/4001
2021-10-07 11:12:18.708269057  Swarm listening on /p2p-circuit
2021-10-07 11:12:18.708293318  Swarm announcing /ip4/178.128.194.190/tcp/4001/p2p/12D3KooWJdCPqrVJBMzdhZHxgPczA1Ar9mRoAbQmiY7E9HDQNrH3
2021-10-07 11:12:18.711005862
2021-10-07 11:12:18.711009349  Error: serveHTTPApi: manet.Listen(/ip4/178.128.194.190/tcp/5001) failed: listen tcp4 178.128.194.190:5001: bind: cannot assign requested address
2021-10-07 11:12:19.667193369  Initializing daemon...