i found below packet captured using tcpdump with vlan filter is different in Ubuntu and CentOS, is it normal? 17:09 00:24:dc:43:bf:c0 40:55:39:1d:a2:99, ethertype (0x8100), length 74: vlan 221, p 0, ethertype , vlan 1190, p 0, ethertype IPv4,...