e2e test: use sleep to wait in hostexec

test/images/hostexec/Dockerfile

@@ -22,4 +22,4 @@ CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
 RUN apk --update add curl netcat-openbsd iproute2 && rm -rf /var/cache/apk/*
 
 # wait forever
-CMD rm -f /fifo && mkfifo /fifo && exec cat </fifo
+CMD while true; do sleep 1d; done

test/images/hostexec/VERSION

@@ -1 +1 @@
-1.0
+1.1