No no no!
Ok, look at my setup. https://imgur.com/yxvJBZr This is how I got this figured out.
I want you to do this.
Modem has 4 ethernet ports, plug the airave into the first port with the black cable, now plug the eero into the second port with the white cable, now the eero has an extra port, plug the ethernet cable to the switch yellow cable, then the blue and yellow cable for the tv/tivo can be connect to the switch.