[  483.019468] netdevsim netdevsim271 eni271np1: renamed from eth0
[  483.120691] netdevsim netdevsim650 eni650np1: renamed from eth1
[  483.474190] Could not find device with ifindex 2000 in netnsfd 11
[  483.474341] Could not find netns with fd: 2000
[  483.474418] Cannot link a netdevsim to itself
[  483.474507] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).