kubernetes/vendor/github.com/vishvananda/netns/nshandle_linux.go

type NsHandle …

// Equal determines if two network handles refer to the same network
// namespace. This is done by comparing the device and inode that the
// file descriptors point to.
func (ns NsHandle) Equal(other NsHandle) bool { … }

// String shows the file descriptor number and its dev and inode.
func (ns NsHandle) String() string { … }

// UniqueId returns a string which uniquely identifies the namespace
// associated with the network handle.
func (ns NsHandle) UniqueId() string { … }

// IsOpen returns true if Close() has not been called.
func (ns NsHandle) IsOpen() bool { … }

// Close closes the NsHandle and resets its file descriptor to -1.
// It is not safe to use an NsHandle after Close() is called.
func (ns *NsHandle) Close() error { … }

// None gets an empty (closed) NsHandle.
func None() NsHandle { … }