[ 1278.241754][T12853] netdevsim netdevsim258 eni258np1: renamed from eth0
[ 1278.245795][T12852] netdevsim netdevsim656 eni656np1: renamed from eth1
[ 1280.971308][T12840] Could not find device with ifindex 2000 in netnsfd 11
[ 1280.975339][T12840] Could not find netns with fd: 2000
[ 1280.976626][T12840] Cannot link a netdevsim to itself
[ 1280.977754][T12840] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).