Isn’t it happening because the load balancer does not distribute the http requests evenly? We used to use advanced loadbalancers that took the actual http req f

Isn’t it happening because the load balancer does not distribute the http requests evenly? We used to use advanced loadbalancers that took the actual http req from a client and used fix number or tcp connections to backend and distributed the http requests through those. Maybe http/2 does not allow this style of load balancing?