[ 4039.995505][T29261] gre: GRE over IPv4 demultiplexer driver
[ 4041.615973][T29284] ip_gre: GRE over IPv4 tunneling driver
[ 4088.901530][T29855] ip6_gre: GRE over IPv6 tunneling driver
[ 4112.511639][ T7538] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 4116.040242][T30204] ping (30204) used greatest stack depth: 23104 bytes left
[ 4121.151532][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4125.951530][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4130.046529][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4134.718561][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!