[  746.261050][T14447] netdevsim netdevsim442 eni442np1: renamed from eth0
[  746.270247][T14449] netdevsim netdevsim729 eni729np1: renamed from eth1
[  746.828591][T14435] Could not find device with ifindex 2000 in netnsfd 11
[  746.829156][T14435] Could not find netns with fd: 2000
[  746.834649][T14435] Cannot link a netdevsim to itself
[  746.835382][T14435] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).