[ 1039.653293][T12579] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1039.741294][T12576] netdevsim netdevsim744 eni744np1: renamed from eth1
[ 1041.555073][T12571] Could not find device with ifindex 2000 in netnsfd 11
[ 1041.556105][T12571] Could not find netns with fd: 2000
[ 1041.556875][T12571] Cannot link a netdevsim to itself
[ 1041.557741][T12571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).