[ 1302.567425][T12849] netdevsim netdevsim629 eni629np1: renamed from eth1
[ 1302.720699][T12847] netdevsim netdevsim507 eni507np1: renamed from eth0
[ 1305.440138][T12836] Could not find device with ifindex 2000 in netnsfd 11
[ 1305.442252][T12836] Could not find netns with fd: 2000
[ 1305.443218][T12836] Cannot link a netdevsim to itself
[ 1305.444364][T12836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).