[  842.130539][T15770] netdevsim netdevsim275 eni275np1: renamed from eth0
[  842.163907][T15771] netdevsim netdevsim573 eni573np1: renamed from eth1
[  842.907598][T15759] Could not find device with ifindex 2000 in netnsfd 11
[  842.908150][T15759] Could not find netns with fd: 2000
[  842.908825][T15759] Cannot link a netdevsim to itself
[  842.909250][T15759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).