Add CONFIG_INET_TABLE_PERTURB_ORDER

> The default is almost always what you want. Only change this if you know what you are doing.

Kernel docs say to leave the default. We will do the same here,
https://cateee.net/lkddb/web-lkddb/INET_TABLE_PERTURB_ORDER.html

debian.master/config/config.common.ubuntu

@@ -5046,6 +5046,7 @@ CONFIG_INET_TCP_DIAG=m
 CONFIG_INET_TUNNEL=m
 CONFIG_INET_UDP_DIAG=m
 CONFIG_INET_XFRM_TUNNEL=m
+CONFIG_INET_TABLE_PERTURB_ORDER=16
 CONFIG_INFINIBAND=m
 CONFIG_INFINIBAND_ADDR_TRANS=y
 CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS=y