[ 1046.380819][T12757] netdevsim netdevsim691 eni691np1: renamed from eth1
[ 1046.489584][T12760] netdevsim netdevsim280 eni280np1: renamed from eth0
[ 1048.398777][T12752] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.399742][T12752] Could not find netns with fd: 2000
[ 1048.400714][T12752] Cannot link a netdevsim to itself
[ 1048.401820][T12752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).