[ 1345.417011][T12920] netdevsim netdevsim571 eni571np1: renamed from eth1
[ 1345.523037][T12923] netdevsim netdevsim420 eni420np1: renamed from eth0
[ 1348.078728][T12910] Could not find device with ifindex 2000 in netnsfd 11
[ 1348.081145][T12910] Could not find netns with fd: 2000
[ 1348.082137][T12910] Cannot link a netdevsim to itself
[ 1348.083273][T12910] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).