[ 1242.043896][T12774] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1242.089489][T12777] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1244.638636][T12770] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.639819][T12770] Could not find netns with fd: 2000
[ 1244.640735][T12770] Cannot link a netdevsim to itself
[ 1244.641897][T12770] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).