kubernetes/vendor/go.etcd.io/etcd/client/pkg/v3/transport/sockopt.go

type Controls …

func (ctls Controls) Control(network, addr string, conn syscall.RawConn) error { … }

type SocketOpts …

func getControls(sopts *SocketOpts) Controls { … }

func (sopts *SocketOpts) Empty() bool { … }