01:20:14.833350 arp who-has 192.168.0.66 tell 192.168.0.62
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01:20:14.833421 arp reply 192.168.0.66 is-at 0:0:d1:1f:3f:f1
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# ./configure && make && make install
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arpwatch -i iface
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Nov  1 00:39:08 zul arpwatch: new station 192.168.0.65 0:50:ba:85:85:ca
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Nov  1 01:03:23 zul arpwatch: changed ethernet address 192.168.0.65 0:e0:81:3:d8:8e (0:50:ba:85:85:ca)
Nov  1 01:03:23 zul arpwatch: flip flop 192.168.0.65 0:50:ba:85:85:ca (0:e0:81:3:d8:8e)
Nov  1 01:03:25 zul arpwatch: flip flop 192.168.0.65 0:e0:81:3:d8:8e (0:50:ba:85:85:ca)
