[ 1235.967622][T11135] netdevsim netdevsim407 eni407np1: renamed from eth0
[ 1236.080673][T11137] netdevsim netdevsim535 eni535np1: renamed from eth1
[ 1239.402536][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.403262][T11127] Could not find netns with fd: 2000
[ 1239.403845][T11127] Cannot link a netdevsim to itself
[ 1239.404545][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).