[ 1287.908724][T12780] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1287.918813][T12782] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1290.752955][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1290.754340][T12768] Could not find netns with fd: 2000
[ 1290.755380][T12768] Cannot link a netdevsim to itself
[ 1290.756931][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).