[ 1235.370019][T12772] netdevsim netdevsim641 eni641np1: renamed from eth1
[ 1235.383104][T12775] netdevsim netdevsim382 eni382np1: renamed from eth0
[ 1237.872416][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.874019][T12768] Could not find netns with fd: 2000
[ 1237.875348][T12768] Cannot link a netdevsim to itself
[ 1237.877131][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).