[ 1039.736226][T12754] netdevsim netdevsim454 eni454np1: renamed from eth0
[ 1039.840995][T12752] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1041.657217][T12746] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.658273][T12746] Could not find netns with fd: 2000
[ 1041.658987][T12746] Cannot link a netdevsim to itself
[ 1041.659818][T12746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).