##Setting up network for capture
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set MTU to biggest your card can support (else it will complain about truncated packets)
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disable any kind of offloading:
ethtool -K eth2 tso off ethtool -K eth2 gro off ethtool -K eth2 ufo off ethtool -K eth2 lro off ethtool -K eth2 gso off ethtool -K eth2 rx off ethtool -K eth2 tx off ethtool -K eth2 sg off ethtool -K eth2 rxvlan off ethtool -K eth2 txvlan off ethtool -N eth2 rx-flow-hash udp4 sdfn ethtool -N eth2 rx-flow-hash udp6 sdfn ethtool -C eth2 rx-usecs 1 rx-frames 0 ethtool -C eth2 adaptive-rx off