What does your network configuration look like?
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: ifb0: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc htb state UNKNOWN group default qlen 32
link/ether f6:c2:b3:04:91:39 brd ff:ff:ff:ff:ff:ff
inet6 fe80::f4c2:b3ff:fe04:9139/64 scope link
valid_lft forever preferred_lft forever
3: ifb1: <BROADCAST,NOARP> mtu 1500 qdisc noop state DOWN group default qlen 32
link/ether 5a:0c:a8:2a:7e:83 brd ff:ff:ff:ff:ff:ff
4: gre0@NONE: <NOARP> mtu 1476 qdisc noop state DOWN group default qlen 1000
link/gre 0.0.0.0 brd 0.0.0.0
5: gretap0@NONE: <BROADCAST,MULTICAST> mtu 1462 qdisc noop state DOWN group default qlen 1000
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
6: erspan0@NONE: <BROADCAST,MULTICAST> mtu 1450 qdisc noop state DOWN group default qlen 1000
link/ether 00:00:00:00:00:00 brd ff:ff:ff:ff:ff:ff
7: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br0 state UP group default qlen 1000
link/ether 00:90:0b:77:cf:11 brd ff:ff:ff:ff:ff:ff
8: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc htb state UP group default qlen 1000
link/ether 00:90:0b:77:cf:12 brd ff:ff:ff:ff:ff:ff
inet 100.72.139.224/24 scope global eth1
valid_lft forever preferred_lft forever
inet6 fe80::290:bff:fe77:cf12/64 scope link
valid_lft forever preferred_lft forever
9: eth2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master br0 state UP group default qlen 1000
link/ether 00:90:0b:77:cf:13 brd ff:ff:ff:ff:ff:ff
10: eth3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc htb state UP group default qlen 1000
link/ether 00:90:0b:77:cf:14 brd ff:ff:ff:ff:ff:ff
inet 105.233.232.147/24 scope global eth3
valid_lft forever preferred_lft forever
inet6 fe80::290:bff:fe77:cf14/64 scope link
valid_lft forever preferred_lft forever
11: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 00:90:0b:77:cf:11 brd ff:ff:ff:ff:ff:ff
inet 10.207.35.254/29 brd 10.207.35.255 scope link br0
valid_lft forever preferred_lft forever
inet 192.168.88.254/24 scope global br0
valid_lft forever preferred_lft forever
inet6 fe80::290:bff:fe77:cf11/64 scope link
valid_lft forever preferred_lft forever
12: vb-container@if5: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br0 state UP group default qlen 1000
link/ether fa:63:c6:be:ba:1d brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet6 fe80::f863:c6ff:febe:ba1d/64 scope link
valid_lft forever preferred_lft forever
13: container@if6: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether 9e:0d:63:3c:03:0d brd ff:ff:ff:ff:ff:ff link-netnsid 0
inet 192.168.89.1/30 scope global container
valid_lft forever preferred_lft forever
inet6 fe80::9c0d:63ff:fe3c:30d/64 scope link
valid_lft forever preferred_lft forever
14: tun1792: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1444 qdisc htb state UNKNOWN group default qlen 500
link/none
inet 172.30.4.38 peer 172.30.4.39/32 scope link tun1792
valid_lft forever preferred_lft forever
inet6 fd80:1::dff peer fd80:1::e00/128 scope global
valid_lft forever preferred_lft forever
inet6 fe80:1::b peer fe80:1::a/128 scope link
valid_lft forever preferred_lft forever
inet6 fe80::a7f3:1a7b:299e:10da/64 scope link stable-privacy
valid_lft forever preferred_lft forever
15: ppp900: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1492 qdisc htb state UNKNOWN group default qlen 3
link/ppp
inet 102.132.230.166 peer 155.93.210.225/32 scope global ppp900
valid_lft forever preferred_lft forever
21: mtun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UNKNOWN group default qlen 100
link/none
inet 10.251.2.111 peer 10.251.0.1/32 scope global mtun0
valid_lft forever preferred_lft forever
inet6 fd00::3f6/64 scope global
valid_lft forever preferred_lft forever
inet6 fe80::ed62:1e2:cf2d:642b/64 scope link stable-privacy
valid_lft forever preferred_lft forever