[ 1252.129565][T11132] netdevsim netdevsim595 eni595np1: renamed from eth1
[ 1252.142239][T11133] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1255.641284][T11125] Could not find device with ifindex 2000 in netnsfd 11
[ 1255.641991][T11125] Could not find netns with fd: 2000
[ 1255.642601][T11125] Cannot link a netdevsim to itself
[ 1255.643299][T11125] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).