[  527.229016] netdevsim netdevsim597 eni597np1: renamed from eth1
[  527.325464] netdevsim netdevsim314 eni314np1: renamed from eth0
[  527.596617] Could not find device with ifindex 2000 in netnsfd 11
[  527.596836] Could not find netns with fd: 2000
[  527.596934] Cannot link a netdevsim to itself
[  527.597073] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).