def __init__(self, node, client_node, verbose=False, addr=None, time=10):
        # node is the server
        ClientServerCmd.__init__(self, node, client_node, verbose)
        self.addr = addr
        self.time = time
        # -s server, -y c CSV report output
        self.args = ["iperf", "-s", "-y", "c"]
        self.client_args = ["iperf", "-c", self.addr, "-t", self.time % "%s"]
dataset/ETHPy150Open coreemu/core/daemon/examples/netns/wlanemanetests.py/IperfCmd.__init__/swapped operands of `%`