[ 1013.080127][T12131] netdevsim netdevsim270 eni270np1: renamed from eth0
[ 1013.202171][T12069] netdevsim netdevsim728 eni728np1: renamed from eth1
[ 1015.080221][T12455] Could not find device with ifindex 2000 in netnsfd 11
[ 1015.081279][T12455] Could not find netns with fd: 2000
[ 1015.081968][T12455] Cannot link a netdevsim to itself
[ 1015.082828][T12455] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).