[  488.966904] netdevsim netdevsim700 eni700np1: renamed from eth1
[  489.068113] netdevsim netdevsim389 eni389np1: renamed from eth0
[  489.419400] Could not find device with ifindex 2000 in netnsfd 11
[  489.419555] Could not find netns with fd: 2000
[  489.419634] Cannot link a netdevsim to itself
[  489.419735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).