[ 4706.698046][T24631] gre: GRE over IPv4 demultiplexor driver
[ 4708.817508][T24654] ip_gre: GRE over IPv4 tunneling driver
[ 4772.836285][T25226] ip6_gre: GRE over IPv6 tunneling driver
[ 4817.455971][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4823.662858][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4828.911847][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4834.990867][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4859.793437][T25992] ping (25992) used greatest stack depth: 23184 bytes left
[ 4865.632402][T26046] ping (26046) used greatest stack depth: 22480 bytes left