link_route_drop_handler  206 src/network/networkd-dhcp4.c                                                    &link_route_drop_handler);
link_route_drop_handler  227 src/network/networkd-dhcp4.c                                            &link_route_drop_handler);
link_route_drop_handler  236 src/network/networkd-dhcp4.c                                            &link_route_drop_handler);
link_route_drop_handler   70 src/network/networkd-ipv4ll.c         route_drop(route, link, &link_route_drop_handler);
link_route_drop_handler  104 src/network/networkd-link.h int link_route_drop_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata);