[ 1056.457329][T12741] netdevsim netdevsim504 eni504np1: renamed from eth0
[ 1056.564236][T12692] netdevsim netdevsim552 eni552np1: renamed from eth1
[ 1058.546848][T12736] Could not find device with ifindex 2000 in netnsfd 11
[ 1058.547872][T12736] Could not find netns with fd: 2000
[ 1058.548769][T12736] Cannot link a netdevsim to itself
[ 1058.549838][T12736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).