[#LU-12666] patches to backport to b2

There are a set of patches which were created as part of the Multi-Rail routing feature, that fix a few issues found in LNet Health. These should be backported to b2_12 at some point.

 69d1535ebdac139c6b19db2bca5f65663fe88467 LU-12339 lnet: select LO interface for sending
fc6b321036f34c00d5b32b49c817dc0034fbad9e LU-12199 lnet: verify msg is commited for send/recv
b65f3a1767ae82c7f629320187b33eb8670da537 LU-12199 lnet: Ensure md is detached when msg is not committed
dd16a31bf4ae874a69cc7dc5fe1f3197993630ae LU-12264 lnet: Protect lp_dc_pendq manipulation with lp_lock
a0879b5985b41f92dede96e7f27623eb72102b15 LU-12254 lnet: correct discovery LNetEQFree()
d799ac910cd6c980b40c81b76eaefb65b88904d0 LU-12249 lnet: fix list corruption
d7b5f3114d51d5a9d1a34f5073e0bb2d0d63d302 LU-11297 lnet: invalidate recovery ping mdh
1bb91b966d15345b4c89245d51f6cb631b052779 LU-12201 lnet: detach response tracker
f6d63067e1ec00009b9da5cdb263fe14e7e503e1 LU-12163 lnet: fix cpt locking
8632e94aeb7e62da07f342a9897d15dfd8251148 LU-11816 lnet: setup health timeout defaults
b45e3d96fc4d82ebf5b1bb3ef0b5a59e8ff86e75 LU-12344 lnet: handle remote health error
1065c8888e96fef9e98676bd3a71b46f7910b085 LU-12080 lnet: clean mt_eqh properly
5409e620e0256dc9b657f1c457541d7411b543cd LU-12080 lnet: recovery event handling broken

[LU-12666] patches to backport to b2_12 Created: 14/Aug/19 Updated: 08/Jul/20 Resolved: 08/Jul/20
Status:	Resolved
Project:	Lustre
Component/s:	None
Affects Version/s:	None
Fix Version/s:	None

[LU-12666] patches to backport to b2_12 Created: 14/Aug/19 Updated: 08/Jul/20 Resolved: 08/Jul/20