# PCI device 0x1186:0x4300 (r8169)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="5c:d9:98:af:21:43", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="et1"}}
Please exercise care. Improperly modifying this file may render your system without network or even not boot properly.