[  856.064999][T15719] netdevsim netdevsim352 eni352np1: renamed from eth0
[  856.088422][T15721] netdevsim netdevsim570 eni570np1: renamed from eth1
[  856.842544][T15708] Could not find device with ifindex 2000 in netnsfd 11
[  856.843216][T15708] Could not find netns with fd: 2000
[  856.843696][T15708] Cannot link a netdevsim to itself
[  856.844212][T15708] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).