[ 3405.755263][T30194] gre: GRE over IPv4 demultiplexor driver
[ 3407.005484][T30218] ip_gre: GRE over IPv4 tunneling driver
[ 3443.146601][T30791] ip6_gre: GRE over IPv6 tunneling driver
[ 3457.727268][T31040] ping (31040) used greatest stack depth: 23296 bytes left
[ 3463.397580][T30741] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3467.236465][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3470.949449][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3474.148447][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3477.988504][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3494.077228][T31608] ping (31608) used greatest stack depth: 23088 bytes left