hammering 30 s: injector floods pptp:upper while killer builds+shuts down pptpgre nodes...
[inj] sendto errno=55 (No buffer space available) after 2
[inj] sendto errno=55 (No buffer space available) after 2
[inj] sendto errno=55 (No buffer space available) after 2
DONE inj_sent=9 inj_fail=0 kill_cycles=51962 kill_fail=0 (no panic expected on this guest: CPU0 netisr serialization — see VERDICT.md)
EXIT_OK
           netgraph   38.6K   1.54M       0    390M    10.1M