[ 1044.638893][T12760] netdevsim netdevsim570 eni570np1: renamed from eth1
[ 1044.762160][T12761] netdevsim netdevsim434 eni434np1: renamed from eth0
[ 1046.728239][T12753] Could not find device with ifindex 2000 in netnsfd 11
[ 1046.729239][T12753] Could not find netns with fd: 2000
[ 1046.729951][T12753] Cannot link a netdevsim to itself
[ 1046.731079][T12753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).