# iptables --table nat -L -v
Chain PREROUTING (policy ACCEPT 18 packets, 1056 bytes)
pkts bytes target prot opt in out source destination
Chain INPUT (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 17 packets, 1569 bytes)
pkts bytes target prot opt in out source destination
Chain POSTROUTING (policy ACCEPT 4 packets, 508 bytes)
pkts bytes target prot opt in out source destination
31 2117 MASQUERADE all -- any usb0 anywhere anywhere