[  518.657289] netdevsim netdevsim372 eni372np1: renamed from eth0
[  518.755828] netdevsim netdevsim555 eni555np1: renamed from eth1
[  519.012666] Could not find device with ifindex 2000 in netnsfd 11
[  519.012861] Could not find netns with fd: 2000
[  519.012963] Cannot link a netdevsim to itself
[  519.013072] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).