[ 1017.985234][T12067] netdevsim netdevsim737 eni737np1: renamed from eth1
[ 1018.017771][T12130] netdevsim netdevsim383 eni383np1: renamed from eth0
[ 1019.850369][T12555] Could not find device with ifindex 2000 in netnsfd 11
[ 1019.851291][T12555] Could not find netns with fd: 2000
[ 1019.852016][T12555] Cannot link a netdevsim to itself
[ 1019.852825][T12555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).