make
./src/bitcoin-seeder
This should output something like below:
Supporting whitelisted filters: 0x1,0x5,0x11,0x15
Loading dnsseed.dat...done
Starting 4 DNS threads for on (port 53).......done
Starting seeder...done
Starting 96 crawler threads...2019-10-14T22:06:08Z connect() to [2600:8806:8600:1d0:a5f0:9863:3144:6f16]:28333 failed: Cannot assign requested address (99)
...