Use static allocation to manage NetworkLink's pointers. Change-Id: I3ab22b1f912f0119448f9013fd0dfff9bf5a6999 Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/24252 Reviewed-by: Srikant Bharadwaj <srikant.bharadwaj@amd.com> Maintainer: Nikos Nikoleris <nikos.nikoleris@arm.com> Tested-by: kokoro <noreply+kokoro@google.com>