[ 1004.682406][T12134] netdevsim netdevsim297 eni297np1: renamed from eth0
[ 1004.777968][T12074] netdevsim netdevsim668 eni668np1: renamed from eth1
[ 1006.647992][T12458] Could not find device with ifindex 2000 in netnsfd 11
[ 1006.648938][T12458] Could not find netns with fd: 2000
[ 1006.649650][T12458] Cannot link a netdevsim to itself
[ 1006.651094][T12458] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).