[ 1024.506489][T12137] netdevsim netdevsim389 eni389np1: renamed from eth0
[ 1024.591086][T12138] netdevsim netdevsim542 eni542np1: renamed from eth1
[ 1026.372987][T12557] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.373898][T12557] Could not find netns with fd: 2000
[ 1026.374572][T12557] Cannot link a netdevsim to itself
[ 1026.375349][T12557] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).