[ 1023.846946][T12479] netdevsim netdevsim259 eni259np1: renamed from eth0
[ 1023.946157][T12464] netdevsim netdevsim590 eni590np1: renamed from eth1
[ 1025.889458][T12558] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.890922][T12558] Could not find netns with fd: 2000
[ 1025.891973][T12558] Cannot link a netdevsim to itself
[ 1025.893224][T12558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).