[  818.447957][T14791] netdevsim netdevsim391 eni391np1: renamed from eth0
[  818.461037][T14793] netdevsim netdevsim662 eni662np1: renamed from eth1
[  819.106166][T14779] Could not find device with ifindex 2000 in netnsfd 11
[  819.107031][T14779] Could not find netns with fd: 2000
[  819.107425][T14779] Cannot link a netdevsim to itself
[  819.107854][T14779] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).