ifconfig and ip commands report packet drops?

Solution Verified - Updated -

Issue

  • ifconfig reports rx drops for servers, physical or VMware guests, after upgrading to RHEL7
  • ip -s link and ifconfig report the rx_drop* counter increasing but no drops are seen with ethtool -S ethX
  • RHEL7 ifconfig show rx drops while RHEL 6.X guests running on the very same ESX host or cluster show no rx drops
  • Any NIC hardware type
  • netstat -i reports RX-ERR and RX-DRP
  • We are using bond interface on MRG 2.3. Suddenly, dropped packets occurs on slave's one of bond interfaces.
  • After installing the RT kernel we observed the rx_dropped counter increasing for ifconfig.

Environment

  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat enterprise MRG realtime 2.3 (kernel-rt-3.8.13-rt14.25.el6rt)
  • Bonding

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