[  473.594442] netdevsim netdevsim475 eni475np1: renamed from eth0
[  473.594907] netdevsim netdevsim701 eni701np1: renamed from eth1
[  473.673189] Could not find device with ifindex 2000 in netnsfd 11
[  473.673301] Could not find netns with fd: 2000
[  473.673353] Cannot link a netdevsim to itself
[  473.673418] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).