Chain PREROUTING (policy ACCEPT 970M packets, 3644G bytes)
 pkts bytes target     prot opt in     out     source               destination         

Chain INPUT (policy ACCEPT 970M packets, 3644G bytes)
 pkts bytes target     prot opt in     out     source               destination         

Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
 pkts bytes target     prot opt in     out     source               destination         

Chain OUTPUT (policy ACCEPT 637M packets, 3625G bytes)
 pkts bytes target     prot opt in     out     source               destination         

Chain POSTROUTING (policy ACCEPT 637M packets, 3625G bytes)
 pkts bytes target     prot opt in     out     source               destination         
    0     0 CHECKSUM   udp  --  *      virbr0  0.0.0.0/0            0.0.0.0/0           udp dpt:68 CHECKSUM fill 
