[ 1407.997737][T12510] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1408.022719][T12511] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1411.657338][T12504] Could not find device with ifindex 2000 in netnsfd 11
[ 1411.658401][T12504] Could not find netns with fd: 2000
[ 1411.659125][T12504] Cannot link a netdevsim to itself
[ 1411.660012][T12504] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).