Comment 2 for bug 1641164

Seems that the issue was related to problems with fuel-infra. Not reproduced:

[root@nailgun ~]# for i in 1 2 3; do ssh node-$i ping -c 1 google.com; done
Warning: Permanently added 'node-1' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=50 time=18.7 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 18.707/18.707/18.707/0.000 ms
Warning: Permanently added 'node-2' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=49 time=19.3 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 19.353/19.353/19.353/0.000 ms
Warning: Permanently added 'node-3' (ECDSA) to the list of known hosts.
PING google.com (172.217.17.46) 56(84) bytes of data.
64 bytes from ams16s29-in-f14.1e100.net (172.217.17.46): icmp_seq=1 ttl=49 time=19.2 ms

--- google.com ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 19.263/19.263/19.263/0.000 ms