[  522.676716] netdevsim netdevsim344 eni344np1: renamed from eth0
[  522.774030] netdevsim netdevsim578 eni578np1: renamed from eth1
[  522.996287] Could not find device with ifindex 2000 in netnsfd 11
[  522.996464] Could not find netns with fd: 2000
[  522.996547] Cannot link a netdevsim to itself
[  522.996644] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).