csmith@uptown:~/systemd-229$ busctl tree org.freedesktop.NetworkManager /org/freedesktop/NetworkManager/ | grep DHCP ├─/org/freedesktop/NetworkManager/DHCP4Config
│ ├─/org/freedesktop/NetworkManager/DHCP4Config/13
│ └─/org/freedesktop/NetworkManager/DHCP4Config/23
csmith@uptown:~/systemd-229$ busctl introspect org.freedesktop.NetworkManager /org/freedesktop/NetworkManager/DHCP4Config/23
NAME TYPE SIGNATURE RESULT/VALUE FLAGS
org.freedesktop.DBus.Introspectable interface - - -
.Introspect method - s -
org.freedesktop.DBus.Peer interface - - -
.GetMachineId method - s -
.Ping method - - -
org.freedesktop.DBus.Properties interface - - -
.Get method ss v -
.GetAll method s a{sv} -
.Set method ssv - -
.PropertiesChanged signal sa{sv}as - -
org.freedesktop.NetworkManager.DHCP4Config interface - - -
.Options property a{sv} 27 "network_number" s "192.168.2.0" "... emits-change
.PropertiesChanged signal a{sv} - -
csmith@uptown:~/systemd-229$ busctl get-property org.freedesktop.NetworkManager /org/freedesktop/NetworkManager/DHCP4Config/23 org.freedesktop.NetworkManager.DHCP4Config Options
a{sv} 27 "network_number" s "192.168.2.0" "requested_domain_search" s "1" "requested_time_offset" s "1" "requested_domain_name" s "1" "requested_rfc3442_classless_static_routes" s "1" "requested_broadcast_address" s "1" "requested_wpad" s "1" "requested_netbios_scope" s "1" "next_server" s "0.0.0.0" "expiry" s "1506201017" "requested_interface_mtu" s "1" "requested_subnet_mask" s "1" "dhcp_lease_time" s "86400" "dhcp_message_type" s "5" "ip_address" s "192.168.2.18" "requested_static_routes" s "1" "requested_domain_name_servers" s "1" "routers" s "192.168.2.1" "broadcast_address" s "192.168.2.255" "requested_ntp_servers" s "1" "requested_netbios_name_servers" s "1" "domain_name_servers" s "192.168.2.1" "requested_ms_classless_static_routes" s "1" "requested_routers" s "1" "subnet_mask" s "255.255.255.0" "requested_host_name" s "1" "dhcp_server_identifier" s "192.168.2.1"