green@shrooms ~ $ arp -n
Address                  HWtype  HWaddress           Flags Mask            Iface
192.168.121.2            ether   00:16:3e:d7:32:ef   C                     br0
192.168.111.38           ether   00:22:68:c9:3d:e8   C                     eth0
192.168.121.4            ether   52:54:00:5a:6b:da   C                     br0
192.168.111.1            ether   d8:fe:e3:b6:58:89   C                     eth0