[ 1023.295119][T12673] netdevsim netdevsim573 eni573np1: renamed from eth1
[ 1023.409481][T12722] netdevsim netdevsim336 eni336np1: renamed from eth0
[ 1025.120200][T12717] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.121245][T12717] Could not find netns with fd: 2000
[ 1025.121941][T12717] Cannot link a netdevsim to itself
[ 1025.122754][T12717] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).