[ 1269.296833][T12849] netdevsim netdevsim575 eni575np1: renamed from eth1
[ 1269.366269][T12850] netdevsim netdevsim309 eni309np1: renamed from eth0
[ 1272.112398][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.114408][T12837] Could not find netns with fd: 2000
[ 1272.115274][T12837] Cannot link a netdevsim to itself
[ 1272.116313][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).