+ /*
+ * Linux kernel versions prior 3.11 do not support setting IPv6 peer
+ * addresses and error response is expected. On older kernel versions
+ * do not show this error message. On error pppd tries to fallback to
+ * the old IOCTL method.
+ */
+ if (kernel_version >= KVERSION(3,11,0))
+ error("sif6addr_rtnetlink: %s (line %d)", strerror(-nlresp.nlerr.error), __LINE__);