Comment 7 for bug 1521119

Gateway is not wrong. Contrail node node-group-2 has access to internet, but compute node of node-group-2 hasn't access. Seems issue is related for compute node configuration.
master node
default via 10.109.0.1 dev enp0s3 proto static metric 100
10.109.0.0/24 dev enp0s3 proto kernel scope link src 10.109.0.2 metric 100
10.109.7.0/24 dev enp0s4 proto kernel scope link src 10.109.7.2
10.109.10.0/24 dev enp0s5 proto kernel scope link src 10.109.10.2
169.254.0.0/16 dev enp0s4 scope link metric 1003
169.254.0.0/16 dev enp0s5 scope link metric 1004
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.42.1

contrail node
root@node-4:~# ip route
default via 10.109.7.2 dev br-fw-admin
10.109.0.0/24 via 10.109.7.2 dev br-fw-admin
10.109.1.0/24 via 10.109.6.1 dev br-mgmt
10.109.2.0/24 dev br-storage proto kernel scope link src 10.109.2.8
10.109.4.0/24 via 10.109.5.1 dev br-mesh
10.109.4.250 via 10.109.5.1 dev br-mesh
10.109.5.0/24 dev br-mesh proto kernel scope link src 10.109.5.3
10.109.6.0/24 dev br-mgmt proto kernel scope link src 10.109.6.5
10.109.7.0/24 dev br-fw-admin proto kernel scope link src 10.109.7.3
unreachable 169.254.169.254 scope host

compute node
root@node-5:~# ip route
10.109.0.0/24 via 10.109.7.2 dev br-fw-admin
10.109.1.0/24 via 10.109.6.1 dev br-mgmt
10.109.2.0/24 dev br-storage proto kernel scope link src 10.109.2.9
10.109.4.0/24 via 10.109.5.1 dev vhost0
10.109.5.0/24 dev vhost0 proto kernel scope link src 10.109.5.2
10.109.6.0/24 dev br-mgmt proto kernel scope link src 10.109.6.6
10.109.7.0/24 dev br-fw-admin proto kernel scope link src 10.109.7.4
169.254.0.3 dev vhost0 proto 109 scope link
169.254.0.4 dev vhost0 proto 109 scope link
unreachable 169.254.169.254 scope host