[  522.262772] netdevsim netdevsim528 eni528np1: renamed from eth1
[  522.361690] netdevsim netdevsim468 eni468np1: renamed from eth0
[  522.580209] Could not find device with ifindex 2000 in netnsfd 11
[  522.580349] Could not find netns with fd: 2000
[  522.580419] Cannot link a netdevsim to itself
[  522.580504] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).