slot [ f function ][ n phys_port_name | d dev_port ], ID_NET_NAME_PATH= prefix ... slot [ f function ][ n phys_port_name | d dev_port ] b number , ID_NET_NAMEpartition sysupdate.d (5) path udevadm (8) phys_port_name systemd.net-naming-scheme (7) pid systemd.exec