[ 1242.240380][T12789] netdevsim netdevsim522 eni522np1: renamed from eth1
[ 1242.364235][T12792] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1244.881134][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.882375][T12780] Could not find netns with fd: 2000
[ 1244.883287][T12780] Cannot link a netdevsim to itself
[ 1244.884392][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).