[  804.177859][T14593] netdevsim netdevsim273 eni273np1: renamed from eth0
[  804.187336][T14595] netdevsim netdevsim664 eni664np1: renamed from eth1
[  804.814647][T14581] Could not find device with ifindex 2000 in netnsfd 11
[  804.815343][T14581] Could not find netns with fd: 2000
[  804.815724][T14581] Cannot link a netdevsim to itself
[  804.816129][T14581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).