[ 3228.103234][T29036] gre: GRE over IPv4 demultiplexor driver
[ 3229.336348][T29060] ip_gre: GRE over IPv4 tunneling driver
[ 3265.747439][T29632] ip6_gre: GRE over IPv6 tunneling driver
[ 3272.931756][ T2105] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3278.318941][T29840] ping (29840) used greatest stack depth: 22768 bytes left
[ 3281.346205][T29890] ping (29890) used greatest stack depth: 22080 bytes left
[ 3291.234541][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3295.137528][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3298.657500][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3302.498509][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!