[ 1237.612876][T12612] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1237.757520][T12609] netdevsim netdevsim680 eni680np1: renamed from eth1
[ 1240.531665][T12599] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.532850][T12599] Could not find netns with fd: 2000
[ 1240.533758][T12599] Cannot link a netdevsim to itself
[ 1240.534936][T12599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).