[ 1247.079955][T12779] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1247.210679][T12777] netdevsim netdevsim675 eni675np1: renamed from eth1
[ 1249.750789][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1249.751984][T12772] Could not find netns with fd: 2000
[ 1249.752917][T12772] Cannot link a netdevsim to itself
[ 1249.754062][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).