[ 1240.462075][T12793] netdevsim netdevsim408 eni408np1: renamed from eth0
[ 1240.579557][T12794] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1243.219240][T12781] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.221180][T12781] Could not find netns with fd: 2000
[ 1243.222885][T12781] Cannot link a netdevsim to itself
[ 1243.224360][T12781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).