[ 1422.939456][T12513] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1423.044524][T12514] netdevsim netdevsim580 eni580np1: renamed from eth1
[ 1426.657717][T12507] Could not find device with ifindex 2000 in netnsfd 11
[ 1426.658814][T12507] Could not find netns with fd: 2000
[ 1426.659491][T12507] Cannot link a netdevsim to itself
[ 1426.660310][T12507] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).