Socket reuseport

New fields:

* TimeFlowStart / TimeFlowEnd
* IngressVrfId / EgressVrfId

Updated Sarama dependency

Added IPv6 Flow Label sampling

v2.0.6 update

* Better serialization for debug mode
* Fragments
* etype
* vlan

Vlan and etype update

Added ICMP support

Inverted src mac and dst mac on sFlow