[  522.349590] netdevsim netdevsim324 eni324np1: renamed from eth0
[  522.446374] netdevsim netdevsim668 eni668np1: renamed from eth1
[  522.690165] Could not find device with ifindex 2000 in netnsfd 11
[  522.690426] Could not find netns with fd: 2000
[  522.690557] Cannot link a netdevsim to itself
[  522.690683] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).