Update git submodules

* Update docs/submodules/functest from branch 'stable/euphrates'
  - Protect vs exceptions when ext_nets is empty
    
    Otherwise several exceptions are raised in TestCase constructors
    (those defined in heathcheck).
    
    Change-Id: I4cb054f7092ea9db02cb8c4469e99848533c556b
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
    (cherry picked from commit e491334942083a81dab0f3450a809e29b0687c31)
    

1 files changed, 0 insertions, 0 deletions

diff --git a/docs/submodules/functest b/docs/submodules/functest
-Subproject 79978853fea1eef900db1fe873d77636882183b
+Subproject 925fd67983d97b16022620ef4c51a70ecf639f2