Merge "Fix bugs in profiler"

diff --cc tests/run.sh
index 227c6ea,a26fafe..7008650
--- 1/tests/run.sh
--- 2/tests/run.sh
+++ b/tests/run.sh
@@@ -235,10 -236,9 +235,10 @@@ inject_failure() 
      cat > disable_network.sh << 'END_TXT'
  #!/bin/bash -x
  dev=$(sudo ip a | awk '/ @COMPUTE_IP@\//{print $7}')
 +[[ -n "$dev" ]] || dev=$(sudo ip a | awk '/ @COMPUTE_IP@\//{print $5}')
  sleep 1
  sudo ip link set $dev down
- echo "doctor set host down at" $(date "+%s.%N")
+ echo "doctor set link down at" $(date "+%s.%N")
  sleep 180
  sudo ip link set $dev up
  sleep 1