[ 1243.343062][T12784] netdevsim netdevsim529 eni529np1: renamed from eth1
[ 1243.427412][T12786] netdevsim netdevsim466 eni466np1: renamed from eth0
[ 1246.303199][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.305192][T12773] Could not find netns with fd: 2000
[ 1246.307413][T12773] Cannot link a netdevsim to itself
[ 1246.309351][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).