[ 1247.479125][T12783] netdevsim netdevsim439 eni439np1: renamed from eth0
[ 1247.592212][T12782] netdevsim netdevsim554 eni554np1: renamed from eth1
[ 1250.281980][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1250.283249][T12771] Could not find netns with fd: 2000
[ 1250.284175][T12771] Cannot link a netdevsim to itself
[ 1250.285283][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).