Currently, enabling log on a nat rule gives us a log like this:
Feb 14 12:26:08 kernel: [NAT-SRC-10] IN= OUT=eth0 SRC=198.51.100.155 DST=OTO=TCP SPT=51 LEN=60 TOS=0x00 PREC=0x00 TTL=63 ID=24552 DF PROTO=TCP SPT=51048 DPT=443 WINDOW=64240 RES=0x00 SYN URGP=0
New requirement: also expose translated address/port on logs