[ 4571.226617][T29665] gre: GRE over IPv4 demultiplexer driver
[ 4572.918145][T29688] ip_gre: GRE over IPv4 tunneling driver
[ 4594.559091][T29941] ping (29941) used greatest stack depth: 23616 bytes left
[ 4623.116050][T30261] ip6_gre: GRE over IPv6 tunneling driver
[ 4656.129422][T30605] ping (30605) used greatest stack depth: 23440 bytes left
[ 4661.393790][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4666.449686][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4670.802628][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4675.985638][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4680.499437][T30871] ip (30871) used greatest stack depth: 23360 bytes left