Cannot get Realtek NIC to work

[ 25.680226] Real Time Clock Driver v1.12ac [ 25.680411] hpet_resources: 0xfed00000 is busy [ 25.680431] Linux agpgart interface v0.102 (c) Dave Jones [ 25.680434] Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled ...