[  482.265350] netdevsim netdevsim348 eni348np1: renamed from eth0
[  482.367181] netdevsim netdevsim611 eni611np1: renamed from eth1
[  482.711169] Could not find device with ifindex 2000 in netnsfd 11
[  482.711298] Could not find netns with fd: 2000
[  482.711363] Cannot link a netdevsim to itself
[  482.711442] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).