[  476.939951] netdevsim netdevsim500 eni500np1: renamed from eth0
[  477.041387] netdevsim netdevsim613 eni613np1: renamed from eth1
[  477.311550] Could not find device with ifindex 2000 in netnsfd 11
[  477.311699] Could not find netns with fd: 2000
[  477.311762] Cannot link a netdevsim to itself
[  477.311850] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).