The second switch is from a JNI layer to a kernel space.

第二个切换是从jni层到内核空间。

youdao

But as Linux already incorporates a layer-2 switch within the kernel, some have asked why a virtual switch is even necessary.

但是，因为Linux已经在内核中包含一个2层交换机，所以有人可能会问，为什么会需要虚拟交换机？

youdao

But as Linux already incorporates a layer-2 switch within the kernel, some have asked why a virtual switch is even necessary.

但是，因为Linux已经在内核中包含一个2层交换机，所以有人可能会问，为什么会需要虚拟交换机？

youdao