[  460.315441] netdevsim netdevsim299 eni299np1: renamed from eth0
[  460.316399] netdevsim netdevsim729 eni729np1: renamed from eth1
[  460.401105] Could not find device with ifindex 2000 in netnsfd 11
[  460.401221] Could not find netns with fd: 2000
[  460.401269] Cannot link a netdevsim to itself
[  460.401322] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).