OSTF test "Check internet connectivity from a compute" failed on ping 8.8.8.8 from compute

ISO #124
"release": "4.0",
"nailgun_sha": "8d80f823c38c2af6dc98173bcbe348d022960a3d",
"ostf_sha": "cf48dac2a6e7ad284fc93c529f3d1e4668504028",
"astute_sha": "ae026938f272f69afbe89c9900bf1c3df483557c",
"fuellib_sha": "687a554eb9b6ae4dcc114f34e9690e601b40610c"

1. Create new environment (Ubuntu, simple mode)
2. Add controller, compute, cinder
3. Start deoployment. It was successful
4. Start OSTF tests. Test "Check internet connectivity from a compute" has failed with error: Command execution failed. Please refer to OpenStack logs for more details.
5. I can ping 8.8.8.8 from compute node

root@node-2:~# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=46 time=60.7 ms
64 bytes from 8.8.8.8: icmp_req=2 ttl=46 time=59.6 ms
64 bytes from 8.8.8.8: icmp_req=3 ttl=46 time=59.0 ms
64 bytes from 8.8.8.8: icmp_req=4 ttl=46 time=60.0 ms
64 bytes from 8.8.8.8: icmp_req=5 ttl=46 time=60.3 ms
64 bytes from 8.8.8.8: icmp_req=6 ttl=46 time=59.8 ms
64 bytes from 8.8.8.8: icmp_req=7 ttl=46 time=59.5 ms
^C
--- 8.8.8.8 ping statistics ---
7 packets transmitted, 7 received, 0% packet loss, time 6007ms
rtt min/avg/max/mdev = 59.048/59.882/60.702/0.538 ms