in outnet_tcptimer: pick up callbacks and clean the struct pending for use again in tcp_free list; then perform the callbacks in a cleaner state for reentry into the outside network code.  Delete callbacks afterwards.
in outnet_tcptimer: pick up callbacks and clean the struct pending for
use again in tcp_free list; then perform the callbacks in a cleaner state
for reentry into the outside network code.  Delete callbacks afterwards.

NLnetLabs/unbound,NLnetLabs/unbound,NLnetLabs/unbound,NLnetLabs/unbound