Retry router removal on conflict
Manila injects share network to tenant router underhood,
the interface removal is asynchronous in manila. This is
only one example when conflict migh happen. Since rest assumes
we can retry on Conflicts, do it here.
Related-Prod: PRODX-27590
Change-Id: I3c284673abf13e2c01ebca047c353de1207caf12
diff --git a/requirements.txt b/requirements.txt
index 6e66046..c6dd58a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,3 +23,4 @@
debtcollector>=1.2.0 # Apache-2.0
defusedxml>=0.7.1 # PSFL
fasteners>=0.16.0 # Apache-2.0
+tenacity>=4.4.0 # Apache-2.0