ssh perform@lt13 iperf3 -6 -cfdd7:e83e:66bc:0346::36 -P10 -t10
ssh perform@lt13 iperf3 -6 -cfdd7:e83e:66bc:0346::36 -P10 -t10 -R
ssh perform@lt13 iperf3 -6 -cfdd7:e83e:66bc:0334::34 -P10 -t10
ssh perform@lt13 iperf3 -6 -cfdd7:e83e:66bc:0334::34 -P10 -t10 -R