[ 3190.232275][T27845] gre: GRE over IPv4 demultiplexor driver
[ 3191.322481][T27868] ip_gre: GRE over IPv4 tunneling driver
[ 3226.245997][T28441] ip6_gre: GRE over IPv6 tunneling driver
[ 3235.515862][T28596] ping (28596) used greatest stack depth: 22848 bytes left
[ 3243.642639][T26137] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3250.297272][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.009284][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3257.465325][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3261.242276][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!