[ 1230.018182][T11142] netdevsim netdevsim452 eni452np1: renamed from eth0
[ 1230.064262][T11139] netdevsim netdevsim621 eni621np1: renamed from eth1
[ 1233.325776][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.326510][T11134] Could not find netns with fd: 2000
[ 1233.327053][T11134] Cannot link a netdevsim to itself
[ 1233.327710][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).