[ 1032.956991][T12587] netdevsim netdevsim439 eni439np1: renamed from eth0
[ 1033.073706][T12586] netdevsim netdevsim530 eni530np1: renamed from eth1
[ 1034.849466][T12579] Could not find device with ifindex 2000 in netnsfd 11
[ 1034.850550][T12579] Could not find netns with fd: 2000
[ 1034.851315][T12579] Cannot link a netdevsim to itself
[ 1034.852510][T12579] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).