TimeOut on arbitrator after upgrate pxc from 5.7 to 8.0

My arbitrator can’t connect to others nodes after upgrade pxc from 5.7 to 8.0, before upgrade he worked perfectly. 

arb.log (7.87 KB)

nodes_conf.txt (4.02 KB)

PXC-8.0 have pxc_encrypt_cluster_traffic enable by default.