[ 1222.723482][T12786] netdevsim netdevsim672 eni672np1: renamed from eth1
[ 1222.849530][T12785] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1225.288651][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.289766][T12777] Could not find netns with fd: 2000
[ 1225.290604][T12777] Cannot link a netdevsim to itself
[ 1225.291659][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).