[  759.874300][T14565] netdevsim netdevsim407 eni407np1: renamed from eth0
[  759.889008][T14567] netdevsim netdevsim750 eni750np1: renamed from eth1
[  760.422148][T14553] Could not find device with ifindex 2000 in netnsfd 11
[  760.422635][T14553] Could not find netns with fd: 2000
[  760.422980][T14553] Cannot link a netdevsim to itself
[  760.423612][T14553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).