[  474.374924] netdevsim netdevsim292 eni292np1: renamed from eth0
[  474.375732] netdevsim netdevsim523 eni523np1: renamed from eth0
[  474.443868] Could not find device with ifindex 2000 in netnsfd 11
[  474.443938] Could not find netns with fd: 2000
[  474.443972] Cannot link a netdevsim to itself
[  474.444011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).