[  818.965056][T14599] netdevsim netdevsim264 eni264np1: renamed from eth0
[  818.979498][T14601] netdevsim netdevsim642 eni642np1: renamed from eth1
[  819.611555][T14587] Could not find device with ifindex 2000 in netnsfd 11
[  819.612525][T14587] Could not find netns with fd: 2000
[  819.612914][T14587] Cannot link a netdevsim to itself
[  819.613454][T14587] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).