start: tx_nfree=8 (RUM_TX_LIST_COUNT=8, MINFREE=2)
injected 16 protected-no-key mgmt frames; orphaned slots=16; tx_nfree=1
TX path wedged after 7 injections (rum_start gate tx_nfree >= 2 fails permanently)
after ifconfig down/up: tx_nfree=8, wedged resets=1