[  539.669924] netdevsim netdevsim699 eni699np1: renamed from eth1
[  539.771458] netdevsim netdevsim372 eni372np1: renamed from eth0
[  540.123467] Could not find device with ifindex 2000 in netnsfd 11
[  540.123591] Could not find netns with fd: 2000
[  540.123653] Cannot link a netdevsim to itself
[  540.123746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).