tests: BFD python3 changes
tests: BFD python3 changes

Type: fix
Change-Id: Ie441e81fe3971d70f96196c79d74658f910b4875
Signed-off-by: snaramre <6d15e3dd3f7ff986a9b82580b97deb925fb1baf1@cisco.com>

FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,vpp-dev/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,FDio/vpp,FDio/vpp,chrisy/vpp,FDio/vpp,chrisy/vpp,chrisy/vpp,FDio/vpp,vpp-dev/vpp