[ 1030.512796][T12729] netdevsim netdevsim453 eni453np1: renamed from eth0
[ 1030.608733][T12679] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1032.415426][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1032.416543][T12724] Could not find netns with fd: 2000
[ 1032.417766][T12724] Cannot link a netdevsim to itself
[ 1032.418690][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).