[ 1237.404226][T12610] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1237.409069][T12609] netdevsim netdevsim708 eni708np1: renamed from eth1
[ 1240.285706][T12601] Could not find device with ifindex 2000 in netnsfd 11
[ 1240.286962][T12601] Could not find netns with fd: 2000
[ 1240.287917][T12601] Cannot link a netdevsim to itself
[ 1240.289020][T12601] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).