[ 1264.828057][T12624] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1264.970814][T12623] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1267.575368][T12611] Could not find device with ifindex 2000 in netnsfd 11
[ 1267.576576][T12611] Could not find netns with fd: 2000
[ 1267.577512][T12611] Cannot link a netdevsim to itself
[ 1267.578652][T12611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).