[ 1280.871371][T12847] netdevsim netdevsim600 eni600np1: renamed from eth1
[ 1280.907661][T12850] netdevsim netdevsim274 eni274np1: renamed from eth0
[ 1283.488780][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1283.491097][T12837] Could not find netns with fd: 2000
[ 1283.492035][T12837] Cannot link a netdevsim to itself
[ 1283.493508][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).