The default config (from hydra or from IOG github) will configure your logging to be at stdout (which is the extract you have pasted). The log entries shared so far do not necessarily indicate any errors that you need to worry about. That does not indicate a failure of node.
Perhaps taking a step back, what document are you following? and what exactly are you trying to achieve as part of running the node (eg: interact with API, start a stake pool, etc)? From simplistic usage perspective, you can also simply download and run Daedalus Testnet which will run the node in background and show you the status of sync/way to check balance in GUI/etc
There are quite a few versions of documentations available, and depending on your usage you could be pointed to an appropriate one.