[  484.114872] netdevsim netdevsim477 eni477np1: renamed from eth0
[  484.216695] netdevsim netdevsim713 eni713np1: renamed from eth1
[  484.584388] Could not find device with ifindex 2000 in netnsfd 11
[  484.584552] Could not find netns with fd: 2000
[  484.584652] Cannot link a netdevsim to itself
[  484.584768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).