[ 3214.602617][T23669] gre: GRE over IPv4 demultiplexer driver
[ 3216.155087][T23692] ip_gre: GRE over IPv4 tunneling driver
[ 3263.538703][T24265] ip6_gre: GRE over IPv6 tunneling driver
[ 3295.957312][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3300.694236][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3304.725232][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3309.461233][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3377.423511][T25655] ping (25655) used greatest stack depth: 23712 bytes left