Merge ping6 to ping

There is now a single ping binary, which chooses to use ICMP or ICMPv4
based on the -4 and -6 options, and the format of the address.

Submitted by:	Ján Sučan <sucanjan@gmail.com>
Sponsored by:	Google LLC (Google Summer of Code 2019)
MFC after:	Never
Differential Revision:	https://reviews.freebsd.org/D21377

1 files changed, 4 insertions, 0 deletions

diff --git a/UPDATING b/UPDATING
index 28460b14476b..bfd5434b9b4c 100644
--- a/UPDATING
+++ b/UPDATING
@@ -26,6 +26,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 13.x IS SLOW:
 	world, or to merely disable the most expensive debugging functionality
 	at runtime, run "ln -s 'abort:false,junk:false' /etc/malloc.conf".)
 
+20201124:
+	ping6 has been merged into ping.  It can now be called as "ping -6".
+	See ping(8) for details.
+
 20201108:
 	Default value of net.add_addr_allfibs has been changed to 0.
 	If you have multi-fib configuration and rely on existence of all