Since em(4) taskqueue is a new network context, we need to conditionally lock Giant here.
Since em(4) taskqueue is a new network context, we need to conditionally
lock Giant here.

Submitted by:	Andrey V. Elsukov <bu7cher yandex.ru>

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase