[  483.819197] netdevsim netdevsim279 eni279np1: renamed from eth0
[  483.919947] netdevsim netdevsim580 eni580np1: renamed from eth1
[  484.246454] Could not find device with ifindex 2000 in netnsfd 11
[  484.246642] Could not find netns with fd: 2000
[  484.246739] Cannot link a netdevsim to itself
[  484.246861] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).