[  489.769824] netdevsim netdevsim481 eni481np1: renamed from eth0
[  489.866889] netdevsim netdevsim695 eni695np1: renamed from eth1
[  490.084914] Could not find device with ifindex 2000 in netnsfd 11
[  490.085177] Could not find netns with fd: 2000
[  490.085287] Cannot link a netdevsim to itself
[  490.085408] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).