在我的一个Linux VM上，有2个网络接口eth0和eth1。 当我运行route -n命令时，可以看到仅eth1的默认网关IP。如何查看eth0的网关IP？
eth0 Link encap:Ethernet HWaddr 52:54:00:83:46:8c
inet addr:172.18.54.117 Bcast:172.18.54.127 Mask:255.255.255.240
inet6 addr: fe80::5054:ff:fe83:468c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:43585689 errors:0 dropped:7 overruns:0 frame:0
TX packets:7966 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2890771673 (2.8 GB) TX bytes:1934442 (1.9 MB)
eth1 Link encap:Ethernet HWaddr 52:54:00:62:66:51
inet addr:172.18.53.231 Bcast:172.18.53.255 Mask:255.255.255.128
inet6 addr: fe80::5054:ff:fe62:6651/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:44198700 errors:0 dropped:7 overruns:0 frame:0
TX packets:1084325 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3554903221 (3.5 GB) TX bytes:123266129 (123.2 MB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 172.18.53.129 0.0.0.0 UG 0 0 0 eth1
172.18.53.128 0.0.0.0 255.255.255.128 U 0 0 0 eth1
172.18.54.112 0.0.0.0 255.255.255.240 U 0 0 0 eth0