Changelog for i40-2.9.21
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Fix update visual effect for advertised FEC mode
Fix vf hotplug into vm
Fix don't report link up for a VF who hasn't enabled queues
Fix incorrect ethtool statistics veb and veb.tc_
Fix descriptor count manipulation via 'ethtool -G'
Add loging disable-fw-lldp flag change by ethtool
Add make visible changed vf mac on host 'ip link show $pf'
Add log entry while creating or deleting TC0
And some minor internal code refactorings