performance:~# tcpdump -ni eth0 host 85.232.172.111 or icmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth0, link-type EN10MB (Ethernet), capture size 96 bytes
01:39:57.698679 IP 85.232.172.111.38179 > 62.16.180.203.7676: S 4034253610:4034253610(0) win 5840 <mss 1452,sackOK,timestamp 25196410 0,nop,wscale 6>
01:39:57.698728 IP 85.232.172.111.38179 > 192.168.1.4.80: S 4034253610:4034253610(0) win 5840 <mss 1452,sackOK,timestamp 25196410 0,nop,wscale 6>
01:39:57.699289 IP 192.168.1.4.80 > 85.232.172.111.38179: S 3577932798:3577932798(0) ack 4034253611 win 5792 <mss 1460,sackOK,timestamp 1302371406 25196410,nop,wscale 0>
01:40:00.694479 IP 85.232.172.111.38179 > 62.16.180.203.7676: S 4034253610:4034253610(0) win 5840 <mss 1452,sackOK,timestamp 25197160 0,nop,wscale 6>
01:40:00.694512 IP 85.232.172.111.38179 > 192.168.1.4.80: S 4034253610:4034253610(0) win 5840 <mss 1452,sackOK,timestamp 25197160 0,nop,wscale 6>
01:40:00.694873 IP 192.168.1.4.80 > 85.232.172.111.38179: S 3577932798:3577932798(0) ack 4034253611 win 5792 <mss 1460,sackOK,timestamp 1302374402 25196410,nop,wscale 0>
01:40:01.698615 IP 192.168.1.4.80 > 85.232.172.111.38179: S 3577932798:3577932798(0) ack 4034253611 win 5792 <mss 1460,sackOK,timestamp 1302375406 25196410,nop,wscale 0>
01:40:07.697591 IP 192.168.1.4.80 > 85.232.172.111.38179: S 3577932798:3577932798(0) ack 4034253611 win 5792 <mss 1460,sackOK,timestamp 1302381406 25196410,nop,wscale 0>
01:40:19.895542 IP 192.168.1.4.80 > 85.232.172.111.38179: S 3577932798:3577932798(0) ack 4034253611 win 5792 <mss 1460,sackOK,timestamp 1302393606 25196410,nop,wscale 0>

performance:~# tcpdump -ni eth1 host 85.232.172.111 or icmp
tcpdump: verbose output suppressed, use -v or -vv for full protocol decode
listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes