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ボンディングデバイスが "unregister_netdevice: waiting for bond0 to become free. Usage count = 2" エラーのために解放されません

Solution Unverified - Updated -

Environment

  • Red Hat Enterprise Linux 4.8
  • Red Hat Enterprise Linux 5.2
  • Red Hat Enterprise Linux 5.3

Issue

ボンディングデバイスが解放されず、以下のメッセージが表示されます。

unregister_netdevice: waiting for bond0 to become free.Usage count = 2
unregister_netdevice: waiting for bond0 to become free.Usage count = 2
unregister_netdevice: waiting for bond0 to become free.Usage count = 2

Resolution

  1. カーネルを kernel-2.6.18-128.el5 (Red Hat Enterprise Linux 5 の場合) または kernel-2.6.9-89 (Red Hat Enterprise Linux 4 の場合) にアップグレードします。

    Red Hat Enterprise Linux 4.8 の場合:
    http://rhn.redhat.com/errata/RHSA-2009-1024.html

    Red Hat Enterprise Linux 5.2 および Red Hat Enterprise Linux 5.3 の場合:
    http://rhn.redhat.com/errata/RHSA-2009-0225.html

  2. この問題を回避するには、ipv6 モジュールをブラックリストに追加するか、無効にします。

    How do I disable or enable the IPv6 protocol in Red Hat Enterprise Linux?

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