[  752.693543][T13086] netdevsim netdevsim460 eni460np1: renamed from eth0
[  752.725970][T13088] netdevsim netdevsim641 eni641np1: renamed from eth1
[  753.531276][T13074] Could not find device with ifindex 2000 in netnsfd 11
[  753.532144][T13074] Could not find netns with fd: 2000
[  753.532582][T13074] Cannot link a netdevsim to itself
[  753.533048][T13074] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).