I am fairly new to bitcoin and was trying to set up a local regtest network with four nodes in the same machine by having different configuration file for each node. However when I try to bring up a node using the bitcoind it starts up but on inspecting the debug.log I can see the following line -
Error: Couldn't open socket for incoming connections (socket returned error Address family not supported by protocol (97))
I don't know if it is related to my problem here, but when I bring up all the four nodes and then check the connection count, it returns 0 for all the nodes in the network. I am able to mine transactions(using the generate to address) but unable to send bitcoins to other nodes in the network. Is it because it cannot listen to messages on the socket?
I am sorry if this is a very trivial mistake on my part.