Fix for issues on Coverity related to IDs cv_1125383, cv_1125382, cv_1125380, cv_1125379, cv_1125378, cv_1125377, cv_1125376, cv_1125375, cv_1125374.

Those bugs are related to classes not implementing Serializable, nox overriding the equals and/or hashCode methods and with empty finalize method.

Signed-off-by: Hugo Trippaers <htrippaers@schubergphilis.com>
Bugfix: VR has double NICs connected to Public network

replace vlanid wih broadcast uri to support vxlan to identify whether id is VLAN ID or VNI

Signed-off-by: ynojima <mail@ynojima.net>
Signed-off-by: Hugo Trippaers <htrippaers@schubergphilis.com>
CLOUDSTACK-4996: Resolved gateway accessibility issue

Gateway of isolated network is pinged instead of shared
network
Signed-off-by: Girish Shilamkar <girish@clogeny.com>