[ 4410.506224][T26159] gre: GRE over IPv4 demultiplexor driver
[ 4412.511120][T26182] ip_gre: GRE over IPv4 tunneling driver
[ 4419.571801][T26247] ping (26247) used greatest stack depth: 23632 bytes left
[ 4472.639442][T26755] ip6_gre: GRE over IPv6 tunneling driver
[ 4498.986610][T27005] ping (27005) used greatest stack depth: 23360 bytes left
[ 4514.353457][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4520.178346][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4525.234362][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4531.057342][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4619.582443][T28149] ping (28149) used greatest stack depth: 22480 bytes left