[  488.792856] netdevsim netdevsim307 eni307np1: renamed from eth0
[  488.793444] netdevsim netdevsim554 eni554np1: renamed from eth1
[  488.893964] Could not find device with ifindex 2000 in netnsfd 11
[  488.894023] Could not find netns with fd: 2000
[  488.894056] Cannot link a netdevsim to itself
[  488.894092] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).