sonic# show mgmt-vrf

ManagementVRF : Enabled

Management VRF interfaces in Linux:
170: mgmt: <NOARP,MASTER,UP,LOWER_UP> mtu 65575 qdisc noqueue state UP mode DEFAULT group default qlen 1000
    link/ether 4a:b0:a0:33:c8:66 brd ff:ff:ff:ff:ff:ff promiscuity 0 minmtu 1280 maxmtu 65575
    vrf table 5000 addrgenmode eui64 numtxqueues 1 numrxqueues 1 gso_max_size 65536 gso_max_segs 65535

2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master mgmt state UP mode DEFAULT group default qlen 1000
    link/ether 34:ad:61:f1:a2:87 brd ff:ff:ff:ff:ff:ff
171: lo-m: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue master mgmt state UNKNOWN mode DEFAULT group default qlen 1000
    link/ether 76:f1:c4:b7:9e:52 brd ff:ff:ff:ff:ff:ff

sonic# show mgmt-vrf routes

Routes in Management VRF Routing Table:
default via 10.208.81.1 dev eth0 metric 201
unreachable default metric 4278198272
broadcast 10.208.81.0 dev eth0 proto kernel scope link src 10.208.81.122
10.208.81.0/24 dev eth0 proto kernel scope link src 10.208.81.122
local 10.208.81.122 dev eth0 proto kernel scope host src 10.208.81.122
broadcast 10.208.81.255 dev eth0 proto kernel scope link src 10.208.81.122
broadcast 127.0.0.0 dev lo-m proto kernel scope link src 127.0.0.1
127.0.0.0/16 dev lo-m proto kernel scope link src 127.0.0.1
local 127.0.0.1 dev lo-m proto kernel scope host src 127.0.0.1
broadcast 127.0.255.255 dev lo-m proto kernel scope link src 127.0.0.1