[  524.606266] netdevsim netdevsim703 eni703np1: renamed from eth1
[  524.703421] netdevsim netdevsim272 eni272np1: renamed from eth0
[  524.980501] Could not find device with ifindex 2000 in netnsfd 11
[  524.980688] Could not find netns with fd: 2000
[  524.980775] Cannot link a netdevsim to itself
[  524.980862] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).