[ 1245.633881][T12880] netdevsim netdevsim747 eni747np1: renamed from eth1
[ 1245.766435][T12882] netdevsim netdevsim487 eni487np1: renamed from eth0
[ 1248.322971][T12869] Could not find device with ifindex 2000 in netnsfd 11
[ 1248.324686][T12869] Could not find netns with fd: 2000
[ 1248.326125][T12869] Cannot link a netdevsim to itself
[ 1248.328581][T12869] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).