Fail test module when taps manager fails

[shyamjesal]

make: Entering directory '/home/runner/work/vhive/vhive/taps'
# Need to pass GOROOT because GitHub-hosted runners may have several
# go versions installed so that calling go from root may fail
sudo env "PATH=/home/runner/go/bin:/opt/hostedtoolcache/go/1.15.8/x64/bin:/home/linuxbrew/.linuxbrew/bin:/home/linuxbrew/.linuxbrew/sbin:/opt/pipx_bin:/usr/share/rust/.cargo/bin:/home/runner/.config/composer/vendor/bin:/usr/local/.ghcup/bin:/home/runner/.dotnet/tools:/snap/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" "GOROOT=/opt/hostedtoolcache/go/1.15.8/x64" go test ./ -v -race -cover
go: downloading golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd
go: downloading github.com/stretchr/testify v1.7.0
go: downloading github.com/pmezard/go-difflib v1.0.0
go: downloading gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c
=== RUN   TestCreateCleanBridges
time="2021-03-02T10:26:58.740621479Z" level=info msg="Registering bridges for tap manager"
time="2021-03-02T10:26:58.754767451Z" level=info msg="Removing bridges"
--- PASS: TestCreateCleanBridges (0.13s)
=== RUN   TestCreateRemoveTaps
time="2021-03-02T10:26:58.872944768Z" level=info msg="Registering bridges for tap manager"
time="2021-03-02T10:27:07.823428412Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.829389721Z" level=error msg="Could not create tap, because corresponding bridge does not exist" bridge=br0 tap=tap_162
time="2021-03-02T10:27:07.829855837Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_413
time="2021-03-02T10:27:07.829983942Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_415
time="2021-03-02T10:27:07.832220420Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.833430863Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:07.842105468Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_417
...
time="2021-03-02T10:27:07.844889266Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_450
time="2021-03-02T10:27:07.845206777Z" level=warning msg="Failed to configure NAT open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:07.881599255Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.884740666Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_455
time="2021-03-02T10:27:07.884869670Z" level=error msg="Master could not be set" bridge=br0 tap=tap_389
time="2021-03-02T10:27:07.886375823Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.890996585Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_457
...
time="2021-03-02T10:27:07.893791784Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_492
time="2021-03-02T10:27:07.874682612Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.891917518Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_471
time="2021-03-02T10:27:07.894566711Z" level=warning msg="Failed to fetch host net interfaces fork/exec /sbin/route: too many open files\n\n"
time="2021-03-02T10:27:07.893218664Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_484
time="2021-03-02T10:27:07.877036295Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.892216628Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_470
time="2021-03-02T10:27:07.892604942Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_479
time="2021-03-02T10:27:07.893899287Z" level=warning msg="Failed to fetch host net interfaces fork/exec /sbin/route: too many open files\n\n"
time="2021-03-02T10:27:07.913021559Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:07.998933678Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_548
time="2021-03-02T10:27:08.004650879Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.081958193Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_504
time="2021-03-02T10:27:08.083618552Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_503
time="2021-03-02T10:27:08.096506704Z" level=error msg="Could not create tap, because corresponding bridge does not exist" bridge=br0 tap=tap_314
time="2021-03-02T10:27:08.097268131Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_515
time="2021-03-02T10:27:08.097377135Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_511
time="2021-03-02T10:27:08.097687046Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.100031328Z" level=error msg="Could not create tap, because corresponding bridge does not exist" bridge=br0 tap=tap_214
time="2021-03-02T10:27:08.102349609Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_522
...
time="2021-03-02T10:27:08.108978842Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_549
time="2021-03-02T10:27:08.109248051Z" level=warning msg="Failed to configure NAT open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.109699867Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.110293988Z" level=warning msg="Failed to fetch host net interfaces fork/exec /sbin/route: too many open files\n\n"
time="2021-03-02T10:27:08.110785505Z" level=error msg="Tap could not be enabled" bridge=br0 tap=tap_412
time="2021-03-02T10:27:08.228577242Z" level=error msg="Could not create tap, because corresponding bridge does not exist" bridge=br0 tap=tap_326
time="2021-03-02T10:27:08.229491474Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.266271065Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_558
...
time="2021-03-02T10:27:08.297141249Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_676
time="2021-03-02T10:27:08.297439660Z" level=warning msg="Failed to configure NAT open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.332547893Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.335201886Z" level=error msg="Master could not be set" bridge=br0 tap=tap_500
time="2021-03-02T10:27:08.335369492Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_496
time="2021-03-02T10:27:08.335406593Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_501
time="2021-03-02T10:27:08.335811607Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_505
time="2021-03-02T10:27:08.335934612Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.337259358Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.340179261Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.349674294Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.355368794Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.355492299Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.355549801Z" level=error msg="Could not set MAC address" bridge=br0 tap=tap_374
time="2021-03-02T10:27:08.355642004Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.355797109Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.357486269Z" level=error msg="Master could not be set" bridge=br0 tap=tap_386
...
time="2021-03-02T10:27:08.359272831Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_545
time="2021-03-02T10:27:08.359592442Z" level=warning msg="Failed to configure NAT open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.359835451Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.359918954Z" level=error msg="Tap could not be enabled" bridge=br0 tap=tap_498
time="2021-03-02T10:27:08.369550792Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.373053015Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.375057486Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_680
...
time="2021-03-02T10:27:08.408398556Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_610
time="2021-03-02T10:27:08.409120182Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.409488495Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.411600469Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.412165789Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.474825589Z" level=warning msg="Failed to fetch host net interfaces fork/exec /sbin/route: too many open files\n\n"
time="2021-03-02T10:27:08.491117661Z" level=error msg="Tap could not be enabled" bridge=br0 tap=tap_393
time="2021-03-02T10:27:08.492045294Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.492999727Z" level=warning msg="Failed to fetch host net interfaces pipe2: too many open files\n\n"
time="2021-03-02T10:27:08.509867219Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_733
...
time="2021-03-02T10:27:08.523110185Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_667
time="2021-03-02T10:27:08.523458797Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.523646003Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.523684005Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_675
time="2021-03-02T10:27:08.524067418Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.524297726Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.524483233Z" level=warning msg="Failed to fetch host net interfaces open /dev/null: too many open files\n\n"
time="2021-03-02T10:27:08.524791744Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_614
...
time="2021-03-02T10:27:08.553545353Z" level=error msg="Tap could not be created" bridge=br0 tap=tap_656
time="2021-03-02T10:27:29.191265213Z" level=warning msg="Could not find tap" tap=tap_974
...
time="2021-03-02T10:27:29.363167371Z" level=warning msg="Could not find tap" tap=tap_1051
time="2021-03-02T10:27:31.886977822Z" level=info msg="Removing bridges"
--- PASS: TestCreateRemoveTaps (33.62s)
=== RUN   TestCreateRemoveExtra
    taps_test.go:86: Test disabled due to execution failure in GitHub Actions and it doesn't seem essential for the test coverage
--- SKIP: TestCreateRemoveExtra (0.00s)
PASS
coverage: 81.0% of statements