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[root@nethost ~]# ip netns exec qrouter-7573b61c-1cb2-43bc-8296-421e319d2bd0 ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qg-8d652de9-58: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.2.57.68  netmask 255.255.255.0  broadcast 10.2.57.255
        inet6 fe80::f816:3eff:fe4e:b045  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:4e:b0:45  txqueuelen 0  (Ethernet)
        RX packets 1027  bytes 67477 (65.8 KiB)
        RX errors 0  dropped 11  overruns 0  frame 0
        TX packets 45  bytes 2334 (2.2 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

qr-1a0e7fd7-63: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.0.0.1  netmask 255.255.255.0  broadcast 10.0.0.255
        inet6 fe80::f816:3eff:feac:4843  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:ac:48:43  txqueuelen 0  (Ethernet)
        RX packets 3  bytes 230 (230.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 10  bytes 864 (864.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@nethost ~]#

[root@nethost ~]# ip netns exec qdhcp-f8bdf250-d08f-467a-a073-003ea3165c5d ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

tap270c51fa-76: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.0.0.101  netmask 255.255.255.0  broadcast 10.0.0.255
        inet6 fe80::f816:3eff:fee8:3cd7  prefixlen 64  scopeid 0x20<link>
        ether fa:16:3e:e8:3c:d7  txqueuelen 0  (Ethernet)
        RX packets 9  bytes 782 (782.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 3  bytes 258 (258.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

[root@nethost ~]#
[root@nethost ~]# ping -c 1 10.0.0.1
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data.
64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.624 ms

--- 10.0.0.1 ping statistics ---
1 packets transmitted, 1 received, 0% packet loss, time 0ms
rtt min/avg/max/mdev = 0.624/0.624/0.624/0.000 ms
[root@nethost ~]# ping -c 1 10.0.0.101
PING 10.0.0.101 (10.0.0.101) 56(84) bytes of data.
From 10.0.0.2 icmp_seq=1 Destination Host Unreachable

--- 10.0.0.101 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time 0ms

[root@nethost ~]#