[  515.906416] netdevsim netdevsim413 eni413np1: renamed from eth0
[  516.004202] netdevsim netdevsim567 eni567np1: renamed from eth1
[  516.264872] Could not find device with ifindex 2000 in netnsfd 11
[  516.265136] Could not find netns with fd: 2000
[  516.265273] Cannot link a netdevsim to itself
[  516.265423] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).