[ 3156.405072][T28973] gre: GRE over IPv4 demultiplexor driver
[ 3157.601386][T28997] ip_gre: GRE over IPv4 tunneling driver
[ 3194.994483][T29570] ip6_gre: GRE over IPv6 tunneling driver
[ 3199.127625][T29631] ping (29631) used greatest stack depth: 23408 bytes left
[ 3205.052605][T26095] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3209.975671][T29819] ping (29819) used greatest stack depth: 23360 bytes left
[ 3215.613229][T26095] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3219.516454][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3223.164465][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.300452][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.013457][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!