address_drop      250 src/network/networkd-dhcp4.c                        address_drop(address, link, &link_address_drop_handler);
address_drop       57 src/network/networkd-ipv4ll.c         address_drop(address, link, &link_address_drop_handler);
address_drop      293 src/network/networkd.h int address_drop(Address *address, Link *link, sd_rtnl_message_handler_t callback);