[ 1284.789746][T13032] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1284.811746][T13036] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1287.267090][T13022] Could not find device with ifindex 2000 in netnsfd 11
[ 1287.268881][T13022] Could not find netns with fd: 2000
[ 1287.269838][T13022] Cannot link a netdevsim to itself
[ 1287.270969][T13022] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).