[  525.825766] netdevsim netdevsim545 eni545np1: renamed from eth1
[  525.922914] netdevsim netdevsim468 eni468np1: renamed from eth0
[  526.171068] Could not find device with ifindex 2000 in netnsfd 11
[  526.171237] Could not find netns with fd: 2000
[  526.171330] Cannot link a netdevsim to itself
[  526.171432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).