nixos/babeld: allow AF_INET communication required for netlink socket
nixos/babeld: allow AF_INET communication required for netlink socket

This broke after seccomp was updated from 2.5.0 to 2.5.1 in 22148780.

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs