[ 1243.233786][T11156] netdevsim netdevsim311 eni311np1: renamed from eth0
[ 1243.318954][T11154] netdevsim netdevsim767 eni767np1: renamed from eth1
[ 1246.687149][T11148] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.688297][T11148] Could not find netns with fd: 2000
[ 1246.689230][T11148] Cannot link a netdevsim to itself
[ 1246.690369][T11148] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).