[ 1242.218847][T12781] netdevsim netdevsim478 eni478np1: renamed from eth0
[ 1242.341197][T12779] netdevsim netdevsim758 eni758np1: renamed from eth1
[ 1245.039725][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1245.040965][T12773] Could not find netns with fd: 2000
[ 1245.042330][T12773] Cannot link a netdevsim to itself
[ 1245.043355][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).