[ 1199.538088][T12777] netdevsim netdevsim725 eni725np1: renamed from eth1
[ 1199.545085][T12780] netdevsim netdevsim497 eni497np1: renamed from eth0
[ 1202.188968][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1202.190415][T12773] Could not find netns with fd: 2000
[ 1202.192016][T12773] Cannot link a netdevsim to itself
[ 1202.205723][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).