[ 1347.584268][T12891] netdevsim netdevsim477 eni477np1: renamed from eth0
[ 1347.668384][T12890] netdevsim netdevsim577 eni577np1: renamed from eth1
[ 1350.364923][T12878] Could not find device with ifindex 2000 in netnsfd 11
[ 1350.366146][T12878] Could not find netns with fd: 2000
[ 1350.367061][T12878] Cannot link a netdevsim to itself
[ 1350.368244][T12878] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).