-simgrid::xbt::signal<void(surf::NetworkAction*, s4u::Host* src, s4u::Host* dst)> Link::onCommunicate;
-simgrid::xbt::signal<void(surf::NetworkAction*)> Link::onCommunicationStateChange;
+simgrid::xbt::signal<void(kernel::resource::NetworkAction*, s4u::Host* src, s4u::Host* dst)> Link::onCommunicate;
+simgrid::xbt::signal<void(kernel::resource::NetworkAction*)> Link::onCommunicationStateChange;