Problem host resolve or container name resolve in docker

I have 1 host with OS CentOS 8 run on VMWare 15.5
it run docker and create 4 containers from busybox image.
2 container connect to default network bridge (
container Names : B1 -> ip:
container Names : B2 -> ip :
B1 ping it reply.
B1 ping B2 it not thing (press ESC and say lost 100%).

so , which issue with DNS or container Names resolve ?
how can i resolve this issue ?