kernel:unregister_netdevice: waiting for lo to become free. Usage count = (larger than 1)

Solution Verified - Updated -

Issue

  • Messages repeated logged, such as:
kernel:unregister_netdevice: waiting for lo to become free. Usage count = 10
kernel:unregister_netdevice: waiting for lo to become free. Usage count = 7

Environment

  • Red Hat Enterprise Linux 7.7
    • kernel-3.10.0-1062.9.1.el7
    • kernel-3.10.0-1062.12.1.el7
    • kernel-3.10.0-1062.18.1.el7
  • Kubernetes controlling Docker containers
    • RHEL Atomic Host
    • Docker CE Community Edition
  • CrowdStrike Falcon Sensor with kernel modules:
    • falcon_lsm_serviceable
    • falcon_nf_netcontain
    • falcon_lsm_pinned_# (where # is a number)

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