[  845.737391][T14803] netdevsim netdevsim437 eni437np1: renamed from eth0
[  845.760576][T14802] netdevsim netdevsim557 eni557np1: renamed from eth1
[  846.520151][T14791] Could not find device with ifindex 2000 in netnsfd 11
[  846.521027][T14791] Could not find netns with fd: 2000
[  846.521413][T14791] Cannot link a netdevsim to itself
[  846.521907][T14791] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).