[ 1283.119040][T12746] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1283.231487][T12748] netdevsim netdevsim417 eni417np1: renamed from eth0
[ 1285.884502][T12735] Could not find device with ifindex 2000 in netnsfd 11
[ 1285.887973][T12735] Could not find netns with fd: 2000
[ 1285.889428][T12735] Cannot link a netdevsim to itself
[ 1285.891277][T12735] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).