[ 1029.931036][T12587] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1030.063484][T12589] netdevsim netdevsim378 eni378np1: renamed from eth0
[ 1031.960438][T12581] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.961483][T12581] Could not find netns with fd: 2000
[ 1031.962187][T12581] Cannot link a netdevsim to itself
[ 1031.963011][T12581] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).