[ 4368.167528][T28251] gre: GRE over IPv4 demultiplexer driver
[ 4369.845099][T28274] ip_gre: GRE over IPv4 tunneling driver
[ 4420.564771][T28847] ip6_gre: GRE over IPv6 tunneling driver
[ 4453.614274][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4458.478226][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4462.701178][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4467.566183][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4637.539140][T31370] ping (31370) used greatest stack depth: 23488 bytes left