=== baseline ===
           netgraph     503   4.50K       0    390M    2.25K
=== run1: 30000 arm/cancel cycles (long-lived node) ===
cycle 5000/30000 (ok=5000 fail=0)
cycle 10000/30000 (ok=10000 fail=0)
cycle 15000/30000 (ok=15000 fail=0)
cycle 20000/30000 (ok=20000 fail=0)
cycle 25000/30000 (ok=25000 fail=0)
cycle 30000/30000 (ok=30000 fail=0)
DONE cycles=30000 ok=30000 fail=0 (now check: vmstat -m | grep -i netgraph)
=== after run1 ===
           netgraph   29.8K    239K       0    390M     119K
=== run2: 3000 full create/arm/cancel/shutdown lifecycles ===
DONE cycles=3000 ok=3000 fail=0 (now check: vmstat -m | grep -i netgraph)
=== after run2 ===
           netgraph   38.6K   1.54M       0    390M     207K