[ 4107.806102][T28698] gre: GRE over IPv4 demultiplexer driver
[ 4109.388872][T28721] ip_gre: GRE over IPv4 tunneling driver
[ 4157.005720][T29293] ip6_gre: GRE over IPv6 tunneling driver
[ 4190.241494][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4195.170477][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4199.329400][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4204.193422][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4274.951148][T30681] ping (30681) used greatest stack depth: 23536 bytes left
[ 4278.390662][T30725] ping (30725) used greatest stack depth: 23456 bytes left