[ 1029.947001][T12486] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1029.951963][T12488] netdevsim netdevsim354 eni354np1: renamed from eth0
[ 1031.851609][T12480] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.853463][T12480] Could not find netns with fd: 2000
[ 1031.854867][T12480] Cannot link a netdevsim to itself
[ 1031.855858][T12480] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).