pod(nginx)                                           pod(busybox) 
    eth0                                                   eth0 
(172.20.139.94 fa:ed:2c:cc:c9:cd)                     (172.20.247.1 1e:a4:fa:76:7e:95)
         |                                                      |
         |                                                      |
    cali1342368ccea                                        cali12d4a061371
         |                                                      |
         |                                                      |
tunl0(172.20.139.64)                                       tunl0(172.20.247.0)
         |                                                      |
         |                                                      |
node ens32(10.0.1.203 00:16:3e:1e:ea:ea)      node ens32(10.0.1.202 00:16:3e:1e:fa:fb)
         |                       icmp(1)-ipip(4)                |
         |____________________________<<<_______________________|