[  488.744749] netdevsim netdevsim328 eni328np1: renamed from eth0
[  488.845618] netdevsim netdevsim680 eni680np1: renamed from eth1
[  489.198075] Could not find device with ifindex 2000 in netnsfd 11
[  489.198215] Could not find netns with fd: 2000
[  489.198303] Cannot link a netdevsim to itself
[  489.198413] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).