[ 1019.534512][T12583] netdevsim netdevsim357 eni357np1: renamed from eth0
[ 1019.640405][T12581] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1021.505819][T12575] Could not find device with ifindex 2000 in netnsfd 11
[ 1021.506858][T12575] Could not find netns with fd: 2000
[ 1021.507645][T12575] Cannot link a netdevsim to itself
[ 1021.508413][T12575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).