Ubuntu 18.04.2 LTS 带宽限制?

Ubuntu 18.04.2 LTS 带宽限制?

Ubuntu 18.04.2 LTS 新安装:上传带宽 ~4 Mbit/s
Ubuntu 16.04 LTS 新安装:上传带宽 ~100 Mbit/s
从 16.04 升级到 18.04.02 LTS 后:上传带宽:~4 Mbit/s

速度测试-cli

测试下载速度
下载:50.85 Mbit/s
测试上传速度
上传:4.10 Mbit/s

Ubuntu 18.04.2 LTS 中是否激活了某种限制?我总是使用相同的网络设置。

$ lshw -C network
  *-network
       description: Ethernet interface
       product: VMXNET3 Ethernet Controller
       vendor: VMware
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: ens160
       version: 01       
       size: 10Gbit/s
       capacity: 10Gbit/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm pciexpress msi msix bus_master cap_list rom ethernet physical logical tp 1000bt-fd 10000bt-fd
       configuration: autonegotiation=off broadcast=yes driver=vmxnet3 driverversion=1.4.14.0-k-NAPI duplex=full ip=xxx.xxx.xxx.xxx latency=0 link=yes multicast=yes port=twisted pair speed=10Gbit/s
       resources: irq:18 memory:fd4fc000-fd4fcfff memory:fd4fd000-fd4fdfff memory:fd4fe000-fd4fffff ioport:4000(size=16) memory:fd400000-fd40ffff

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