[  488.900220] netdevsim netdevsim332 eni332np1: renamed from eth0
[  488.902369] netdevsim netdevsim700 eni700np1: renamed from eth1
[  488.999936] Could not find device with ifindex 2000 in netnsfd 11
[  489.000030] Could not find netns with fd: 2000
[  489.000073] Cannot link a netdevsim to itself
[  489.000121] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).