[ 4220.251336][T21574] gre: GRE over IPv4 demultiplexor driver
[ 4221.916118][T21597] ip_gre: GRE over IPv4 tunneling driver
[ 4271.204367][T22176] ip6_gre: GRE over IPv6 tunneling driver
[ 4304.989806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4309.853734][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4314.078752][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4319.070780][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!