[  490.170310] netdevsim netdevsim557 eni557np1: renamed from eth1
[  490.266376] netdevsim netdevsim325 eni325np1: renamed from eth0
[  490.501609] Could not find device with ifindex 2000 in netnsfd 11
[  490.502007] Could not find netns with fd: 2000
[  490.502162] Cannot link a netdevsim to itself
[  490.502306] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).