Merge pull request #30313 from cyx1231st/wip-seastar-msgr-test-racing-crimson

crimson/net: v2 racing tests, stall tests and bug fixes

Reviewed-by: Kefu Chai <kchai@redhat.com>

diff --cc src/crimson/mon/MonClient.cc
Simple merge

diff --cc src/crimson/net/Connection.h
Simple merge

diff --cc src/crimson/net/Protocol.cc
Simple merge

diff --cc src/crimson/net/ProtocolV1.cc
Simple merge

diff --cc src/crimson/net/ProtocolV2.cc
Simple merge

diff --cc src/crimson/net/SocketConnection.h
Simple merge