=== CALL TRACE OF net_kernel:connect\1
% otp/lib/kernel/src/net_kernel.erl
connect(node_name@machine) -> do_connect(node_name@machine, normal, false). ->
% Node, Type, WaitForBarred
do_connect(node_name@machine, normal, false ) -> %% Type = normal | hidden
case catch ets:lookup(sys_dist, Node) of
% [{connection, ...}] if node is in sys_dist
% [] if not
{'EXIT', _} ->