def unlink(self, netif1, netif2):
        self._linked_lock.acquire()
        if not self.linked(netif1, netif2):
            self._linked_lock.release()
            return
        self._linked[netif1][netif2] = False
        self._linked_lock.release()
        ebq.ebchange(self)
Returns a tuple of form (str_ind, substr_start, substr_end)
dataset/ETHPy150Open coreemu/core/daemon/core/netns/vnet.py/LxBrNet.unlink--crossover with--dataset/ETHPy150Open mikhaildubov/AST-text-analysis/east/asts/ast.py/AnnotatedSuffixTree.Node.arc