[ 3316.216489][T23672] gre: GRE over IPv4 demultiplexer driver
[ 3317.878462][T23695] ip_gre: GRE over IPv4 tunneling driver
[ 3321.526899][T23746] ip (23746) used greatest stack depth: 23376 bytes left
[ 3367.193043][T24267] ip6_gre: GRE over IPv6 tunneling driver
[ 3401.674292][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3406.858187][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3411.275146][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3416.458196][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!