[ 3253.083882][T25079] gre: GRE over IPv4 demultiplexer driver
[ 3254.694077][T25102] ip_gre: GRE over IPv4 tunneling driver
[ 3254.827788][T25101] ip (25101) used greatest stack depth: 23600 bytes left
[ 3302.164944][T25673] ip6_gre: GRE over IPv6 tunneling driver
[ 3329.751572][T26017] ping (26017) used greatest stack depth: 23520 bytes left
[ 3334.844361][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3339.580268][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3343.676266][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3348.475323][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!