[ 1240.742236][T12611] netdevsim netdevsim277 eni277np1: renamed from eth0
[ 1240.866780][T12607] netdevsim netdevsim654 eni654np1: renamed from eth1
[ 1243.536202][T12599] Could not find device with ifindex 2000 in netnsfd 11
[ 1243.537453][T12599] Could not find netns with fd: 2000
[ 1243.538439][T12599] Cannot link a netdevsim to itself
[ 1243.539611][T12599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).