change_state network "$ifc" lease_gateway "$router"
old_router="$(uci_get_state network "$ifc" gateway)"
user_router="$(uci_get network "$ifc" gateway)"
change_state network "$ifc" lease_gateway "$router"
old_router="$(uci_get_state network "$ifc" gateway)"
user_router="$(uci_get network "$ifc" gateway)"