[  482.298547] netdevsim netdevsim338 eni338np1: renamed from eth0
[  482.400475] netdevsim netdevsim583 eni583np1: renamed from eth1
[  482.780533] Could not find device with ifindex 2000 in netnsfd 11
[  482.780679] Could not find netns with fd: 2000
[  482.780761] Cannot link a netdevsim to itself
[  482.780852] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).