[ 1009.730193][T12625] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1009.817091][T12577] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1011.698697][T12621] Could not find device with ifindex 2000 in netnsfd 11
[ 1011.699620][T12621] Could not find netns with fd: 2000
[ 1011.700264][T12621] Cannot link a netdevsim to itself
[ 1011.701046][T12621] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).