When looking at proxy logs, use both stderr and stdout

weave

@@ -614,7 +614,7 @@ wait_for_status() {
 wait_for_log() {
     fifo=/tmp/tmpfifo.$$
     mkfifo $fifo || exit 1
-    docker logs -f $1 2>/dev/null >$fifo &
+    docker logs -f $1 >$fifo 2>&1 &
     res=0
     grep -q "$2" $fifo || res=1
     kill $! 2>/dev/null || true
@@ -927,7 +927,7 @@ proxy_args() {
 }
 
 proxy_addr() {
-    if addr=$(docker logs $PROXY_CONTAINER_NAME 2>/dev/null | head -n3 | grep -oE "proxy listening on .*"); then
+    if addr=$(docker logs $PROXY_CONTAINER_NAME 2>&1 | head -n3 | grep -oE "proxy listening on .*"); then
       echo "${1}${addr##* }" | sed "s/0.0.0.0/$PROXY_HOST/g"
       return 0
     fi