[ 4362.688773][T29637] gre: GRE over IPv4 demultiplexer driver
[ 4364.320523][T29660] ip_gre: GRE over IPv4 tunneling driver
[ 4412.454509][T30239] ip6_gre: GRE over IPv6 tunneling driver
[ 4445.882923][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4450.682831][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4454.842827][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4459.706821][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.594457][T31721] ping (31721) used greatest stack depth: 23072 bytes left