[ 1234.156342][T11131] netdevsim netdevsim517 eni517np1: renamed from eth1
[ 1234.160358][T11133] netdevsim netdevsim478 eni478np1: renamed from eth0
[ 1237.417940][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.418692][T11125] Could not find netns with fd: 2000
[ 1237.419292][T11125] Cannot link a netdevsim to itself
[ 1237.420023][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).