Fix to trex-433. --checksum-offload - does not work with vlan
Fix to trex-433. --checksum-offload - does not work with vlan

Signed-off-by: Ido Barnea <3a6e28cf60eb2f9d9d6e5ab6275926d9a599fe66@cisco.com>

dimagol/trex-core,dimagol/trex-core,kisel/trex-core,kisel/trex-core,dimagol/trex-core,dimagol/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core,kisel/trex-core,dimagol/trex-core,kisel/trex-core