[ 1262.656581][T12852] netdevsim netdevsim766 eni766np1: renamed from eth1
[ 1262.670326][T12849] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1265.438686][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1265.441033][T12839] Could not find netns with fd: 2000
[ 1265.441943][T12839] Cannot link a netdevsim to itself
[ 1265.442999][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).