[ 1029.962784][T12130] netdevsim netdevsim397 eni397np1: renamed from eth0
[ 1029.966533][T12129] netdevsim netdevsim737 eni737np1: renamed from eth1
[ 1031.892426][T12728] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.894022][T12728] Could not find netns with fd: 2000
[ 1031.894810][T12728] Cannot link a netdevsim to itself
[ 1031.895779][T12728] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).