[ 1424.540611][T12517] netdevsim netdevsim517 eni517np1: renamed from eth1
[ 1424.562664][T12516] netdevsim netdevsim463 eni463np1: renamed from eth0
[ 1428.201800][T12510] Could not find device with ifindex 2000 in netnsfd 11
[ 1428.202645][T12510] Could not find netns with fd: 2000
[ 1428.203220][T12510] Cannot link a netdevsim to itself
[ 1428.204186][T12510] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).