iptables -L -n -v --line-numbers -t mangle
Chain PREROUTING (policy ACCEPT 0 packets, 0 bytes)
num   pkts bytes target     prot opt in     out     source               destination         

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

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

Chain OUTPUT (policy ACCEPT 835M packets, 988G bytes)
num   pkts bytes target     prot opt in     out     source               destination         
1     835M  988G OVN-KUBE-ITP  0    --  *      *       0.0.0.0/0            0.0.0.0/0           

Chain POSTROUTING (policy ACCEPT 858M packets, 995G bytes)
num   pkts bytes target     prot opt in     out     source               destination         
1     858M  995G SUBMARINER-POSTROUTING  0    --  *      *       0.0.0.0/0            0.0.0.0/0           

Chain KUBE-IPTABLES-HINT (0 references)
num   pkts bytes target     prot opt in     out     source               destination         

Chain KUBE-KUBELET-CANARY (0 references)
num   pkts bytes target     prot opt in     out     source               destination         

Chain OVN-KUBE-ITP (1 references)
num   pkts bytes target     prot opt in     out     source               destination         

Chain SUBMARINER-POSTROUTING (1 references)
num   pkts bytes target     prot opt in     out     source               destination         
1    10849  651K TCPMSS     6    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set SUBMARINER-LOCALCIDRS src match-set SUBMARINER-REMOTECIDRS dst tcp flags:0x06/0x02 TCPMSS set 1380
2    10663  640K TCPMSS     6    --  *      *       0.0.0.0/0            0.0.0.0/0            match-set SUBMARINER-REMOTECIDRS src match-set SUBMARINER-LOCALCIDRS dst tcp flags:0x06/0x02 TCPMSS set 1380