[  522.370573] netdevsim netdevsim267 eni267np1: renamed from eth0
[  522.468236] netdevsim netdevsim558 eni558np1: renamed from eth1
[  522.700891] Could not find device with ifindex 2000 in netnsfd 11
[  522.701121] Could not find netns with fd: 2000
[  522.701236] Cannot link a netdevsim to itself
[  522.701373] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).