[  810.789387][T14567] netdevsim netdevsim294 eni294np1: renamed from eth0
[  810.801278][T14569] netdevsim netdevsim541 eni541np1: renamed from eth1
[  811.422659][T14555] Could not find device with ifindex 2000 in netnsfd 11
[  811.423222][T14555] Could not find netns with fd: 2000
[  811.423641][T14555] Cannot link a netdevsim to itself
[  811.424112][T14555] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).