[ 1280.693746][T12848] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1280.785464][T12847] netdevsim netdevsim488 eni488np1: renamed from eth0
[ 1283.547184][T12835] Could not find device with ifindex 2000 in netnsfd 11
[ 1283.548844][T12835] Could not find netns with fd: 2000
[ 1283.549793][T12835] Cannot link a netdevsim to itself
[ 1283.550909][T12835] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).