LB Traffic and OAM traffic isolation

Hi, We have the following route table (there is no static route defined) Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 192.168.1.0 0.0.0.0 255.255.255.252 U 0 0 0 HA 192.168.41.0 0.0.0.0 255.255.255.248 U 0 0 0 internal xxx.xxx.xxx.xxx 0.0.0.0 255.255.255.248 U 0 0 0 external xxx.xx.xx.xxx 0.0.0.0 255.255.255.240 U 0 0 0 mgmt xxx.xx.xx.xxx 0.0.0.0 255.255.255.240 U 9 0 0 mgmt 127.1.1.0 0.0.0.0 255.255.255.0 U 0 0 0 tmm0 127.3.0.0 0.0.0.0 255.255.255.0 U 0 0 0 mgmt_bp 127.2.0.0 0.0.0.0 255.255.255.0 U 0 0 0 mgmt.1 127.7.0.0 127.1.1.254 255.255.0.0 UG 0 0 0 tmm0 0.0.0.0 172.17.44.xxx 0.0.0.0 UG 9 0 0 mgmt If there is no route in TMM, traffic is going via mgmt interface. Can we restrict this or is this default behavior?