[  710.885963][T13068] netdevsim netdevsim490 eni490np1: renamed from eth0
[  710.899431][T13070] netdevsim netdevsim597 eni597np1: renamed from eth1
[  711.503719][T13056] Could not find device with ifindex 2000 in netnsfd 11
[  711.504640][T13056] Could not find netns with fd: 2000
[  711.504999][T13056] Cannot link a netdevsim to itself
[  711.505449][T13056] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).