ixgbe 驱动程序报告一个网络接口 "Detected Tx Unit Hang"，网络无法连接

Issue

• ixgbe 模块报告 Detected Tx unit Hang，网络可能无法连接。绑定（bonds）或团队（teams）可能会发生故障转移：

  Raw

  [ 8990.767984] ixgbe 0000:05:00.1 ens2f1: Detected Tx Unit Hang
    Tx Queue             <19>
    TDH, TDT             <0>, <4>
    next_to_use          <4>
    next_to_clean        <0>
  tx_buffer_info[next_to_clean]
    time_stamp           <100847a81>
    jiffies              <100848604>
  [ 8990.769934] ixgbe 0000:05:00.1 ens2f1: tx hang 1 detected on queue 19, resetting adapter
  [ 8990.769937] ixgbe 0000:05:00.1 ens2f1: initiating reset due to tx timeout
  [ 8990.769954] ixgbe 0000:05:00.1 ens2f1: Reset adapter
  [ 8990.886811] bonding: bond2: link status definitely down for interface ens2f1, disabling it
  [ 8996.011059] ixgbe 0000:05:00.0 ens2f0: Detected Tx Unit Hang
    Tx Queue             <19>
    TDH, TDT             <0>, <2>
    next_to_use          <2>
    next_to_clean        <0>
  tx_buffer_info[next_to_clean]
    time_stamp           <100848fe9>
    jiffies              <100849a7c>
  [ 8996.013148] ixgbe 0000:05:00.0 ens2f0: tx hang 1 detected on queue 19, resetting adapter
  [ 8996.013150] ixgbe 0000:05:00.0 ens2f0: initiating reset due to tx timeout
  [ 8996.013654] ixgbe 0000:05:00.0 ens2f0: Reset adapter
  [ 8996.089928] bonding: bond2: link status definitely down for interface ens2f0, disabling it