Problems with Ethernet and Ubuntu 14.04

Code:

ProblemType: Package
DKMSBuildLog:
 DKMS make.log for r8168-8.037.00 for kernel 3.19.0-65-generic (i686)
 Wed Aug 17 23:10:07 BST 2016
 make: Entering directory `/usr/src/linux-headers-3.19.0-65-generic'
   LD      /var/lib/dkms/r8168/8.037.00/build/built-in.o
   CC [M]  /var/lib/dkms/r8168/8.037.00/build/r8168_n.o
 /var/lib/dkms/r8168/8.037.00/build/r8168_n.c: In function ‘rtl8168_init_one’:
 /var/lib/dkms/r8168/8.037.00/build/r8168_n.c:17103:5: error: implicit declaration of function ‘SET_ETHTOOL_OPS’ [-Werror=implicit-function-declaration]
      SET_ETHTOOL_OPS(dev, &rtl8168_ethtool_ops);
      ^
 /var/lib/dkms/r8168/8.037.00/build/r8168_n.c: In function ‘rtl8168_schedule_work’:
 /var/lib/dkms/r8168/8.037.00/build/r8168_n.c:18674:5: error: implicit declaration of function ‘PREPARE_DELAYED_WORK’ [-Werror=implicit-function-declaration]
      PREPARE_DELAYED_WORK(&tp->task, task);
      ^
 cc1: some warnings being treated as errors
 make[1]: *** [/var/lib/dkms/r8168/8.037.00/build/r8168_n.o] Error 1
 make: *** [_module_/var/lib/dkms/r8168/8.037.00/build] Error 2
 make: Leaving directory `/usr/src/linux-headers-3.19.0-65-generic'
DKMSKernelVersion: 3.19.0-65-generic