[ 1249.211865][T12779] netdevsim netdevsim546 eni546np1: renamed from eth1
[ 1249.224182][T12782] netdevsim netdevsim491 eni491np1: renamed from eth0
[ 1251.658739][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1251.659866][T12774] Could not find netns with fd: 2000
[ 1251.660685][T12774] Cannot link a netdevsim to itself
[ 1251.661966][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).