[ 1283.539095][T12847] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1283.637938][T12848] netdevsim netdevsim601 eni601np1: renamed from eth1
[ 1286.240299][T12834] Could not find device with ifindex 2000 in netnsfd 11
[ 1286.242821][T12834] Could not find netns with fd: 2000
[ 1286.243711][T12834] Cannot link a netdevsim to itself
[ 1286.248442][T12834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).