[ 1237.562650][T11262] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1237.677635][T11260] netdevsim netdevsim737 eni737np1: renamed from eth1
[ 1240.914114][T11254] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.914890][T11254] Could not find netns with fd: 2000
[ 1240.915482][T11254] Cannot link a netdevsim to itself
[ 1240.916145][T11254] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).