[ 1279.772181][T12858] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1279.882676][T12862] netdevsim netdevsim349 eni349np1: renamed from eth0
[ 1282.573049][T12849] Could not find device with ifindex 2000 in netnsfd 11
[ 1282.574441][T12849] Could not find netns with fd: 2000
[ 1282.575376][T12849] Cannot link a netdevsim to itself
[ 1282.576545][T12849] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).